I kinda agree with everything you've said (although I played it on the 360).
For me, it's only really just picked up at Sequence 6, but not by much. I've absolutely no affinity with Connor at all, compared to Ezio he's a shallow chararcter with seemingly no charm at all. I'd have rather stuck with Hayden, who seemed to have more layers - well voice acted too.
And I used to love the Assassination side-quests on AC2, but these (10 so far) have all just been some guy walking around the perimiter of a building
Another irritation is the fact that opportunities for a proper stealth approach are limited - I've been trying to take the Forts by complete stealth, but there are so many guards in there, and no real distraction techniques, that it seems nigh-on impossible, so it ends up being a massive skirmish (and, as you've pointed out, taking on 8+ guards isn't hard so you may as well go brute force).
Seems more action orientated, too much hand-holding in quests, too much 'walk-cutscene-walk-cutscene' moments and very little scope to approach missions.
That, and endlessly running through the empty fields of America feels far less epic than scurrying across the rooftops of 15th century Rome....
Yup, I've played loads more, its fun, almost but, not, also
The side missions are walk up to person, takes a second then you can interact, then, nothing.... there is no story this time, no reason to kill people, no "please deliver this stuff" just if your lucky a message will stay on screen long enough to tell you what to do. So many little missions have essentially no story, no direction and as you said, I had an assassination mission which was 4 or 5 guys, on their own, who pay no attention to you, no where special, walk up bang, no reaction, no story, nothing, just bang bang bang bang bang, and the mission finishes, no more story, no thanks, no follow up quest, nothing at all.
There are all too many quests that are just tacked on, the trade/convoy/crafting thing is all hilariously awful to navigate, as far as I can tell, entirely unprofitable, and boring as hell, with very little gain when it does happen, and seemingly so much money from chests that its completely not needed.
Assassins quests, as in, send them off for minutes to gain experience and control other parts of the globe.... firstly holding t and clicking precisely on the mouse to get the menu option to set these missions is woeful, they discourage you from doing them till you have 5 assassins as they get 40xp each, not less and less xp for each assassin added, so I've given up for now, as without an idea of the mechanics I have no idea if doing them all early means later assassins can't be levelled.
Combat, its just too easy, travelling/open world, improved dramatically after a time, though adding towns out of nowhere in the middle of maps you've been on for hours and hours.... is really odd, and feels like it will happen again. Sea quests, because of fast travel I till 50% into the game I didn't realise you could go on sea quests yourself, and because the pad by other ports does crafting, I never checked it....
The game is incredibly boringly over hand holding for some missions, and almost zero explanation of ENTIRE features of the game in other areas. Its like they've half finished it, and the bugs, omg the bugs. They keep coming and coming.
The first 3-4 convoy attacks I did resulted in various massive bugs, one my own horse fell through the ground(its done this in lots of other places) it disappeared, its head only appeared in a fight, I mounted it apparently... then got stuck, dismounted and fell into the abyss of nothingness. Twice the convoy has simply disappeared from existance during an attack, one I was transported up the same road, went back, gone again, and once the game just flat out crashed.
There are good bits about this game, but its not a patch on the rest, story/location/epic feel of locations, putting effort into the side quests and making them feel almost worthwhile, the other games, even the first, have this beat hands down.
Its ME3 for me, it should be good, they've proved they can make it good, they just screwed up the final part... for no apparent reason they tried to reinvent the wheel and they made every part worse. Combat easier to too easy, and detection more buggy, more sensitive and worse to the point of frequently ridiculously annoying. Why do game makers take the best bits, and make them worse or remove them, then take the worst bits, and make them worse as well?
Change for changes sake, how much time/effort would they have saved with the same assassins missions, the same UI, the same kind of crafting and upgrades? Not only would they all work better, they would work, the code was there and working and they decided to mess with it just for the sake of change.
If the last couple games are 8 or 9/10, this is a 5 or 6, game wise, and maybe -1 due to the bugs.