I think the benefit of indie games is that they're low budget and so they aren't afraid to be innovative, because ultimately there's a lot less at stake. They also <need> the support of every possible customer, so tend to be more community focused and listen to and try to incorporate a lot of player suggestions.
Contrast this with the big developers who are putting millions into a single game - they NEED it to be a huge hit, so they have to cater to the lowest common denominator; meaning often they will follow a tried and tested formula.
Also they wont care if 10, 20, 5,000 players hate what they've created and don't buy the game; they've got a market of millions, a few thousand unhappy customers is a drop in the ocean.
Basically:
AAA - you'll get a (supposedly) polished game with fancy graphics but generic gameplay.
Indie - you'll get basic graphics, but creative gameplay with fresh ideas and decent developer interaction.
Obviously those are massive sweeping generalisations, and there are exceptions on both sides. Also the "polished" part of AAA game seems to be in decline =/
I guess it depends what is more important to you
Also, OP when you say "not worth the money".
Indie games are usually what? ~£4-6?
If that gives you a couple of hours entertainment, that's not bad.
I bought Project Zomboid a few years ago for £5. I've had at least 10 hours gaming out of it, so 50p/hour isn't bad.
10 hours out of an AAA game (not unrealistic for a single player campaign) would be £3-4/hour, so which one is "not worth the money"?
