Agreed,especially if you are into modding games. AMD did mention they were optimising per game,IIRC,so it might explain why it does better than it should at times.
Yes AMD did say all along that to get the best use out of HBM the devs have to optimise for it. That's the only worry I had about the 4GB of HBM is the devs not bothering to optimise for it. Mind you that's been AMDs problem for the last 4 years....All the right hardware before it's time and no devs prepared to use it to it's fullest, which is probably due to them going with the bigger slice of the market share which you can't argue with in a business sense I suppose.