The initial loot model in D3 was shit. It's in a much better place now. It kind of sucks because I feel like launch D3 had a lot of issues, and in trying to address them the devs swung the pendulum too far back on a lot of those issues.
-loot model they got right. Smart drops and the 4/2 primary/secondary are in a good place.
-the drop rate is a bit too generous now. It's way too easy to gear a character in seasons, but honestly it's probably for the best as I don't have a lot of time to put into playing the game to get a fucking loot set.
-progression is right now. Fuck a bunch of having to play the same fucking game through multiple difficulty levels to unlock the next one. Play until you're done with it the first time, unlock adventure mode, proceed directly to rifts and bounties, do not fuck with the main story mode ever again. I don't know why devs use that tired, boring, fucking regressive mentality in arpgs. I beat Grim Dawn on normal difficulty, unlocked elite, played the first couple missions again and then was like "nah." I don't care enough to get to the endgame if I have to play the same content 3-4 times. It's just fucking dumb. I'm playing PoE again now and I'm sure the same thing will happen there, too. Fuck it. It's just stupid.
-difficulty is too easy. I'm not sure if this is due to power creep from the high drop rate and adding more layers of complexity onto the game (legendary gems, kanai's cube, ancient legendary items, augmenting gear, etc) or what. I know you can up the difficulty level until it is dick punch mode if you really want, and that high greater rift progression WILL eventually make you the game's bitch, but last season I played hardcore and never once was in danger of dying. Part of that was playing cautious on appropriate difficulty levels, but part of it is that the game is easier now.
D3 still has lots of issues, but I maintain that it's also the best current arpg out on the market now. I simply don't have time to fuck with playing through the same content 3 times just to get to endgame. It's dumb, regressive game design that should be taken behind the barn and shot. Sucks because both Grim Dawn and PoE offer interesting, different takes on the game formula to D3, but ultimately confuse a lot of what made earlier entries in the series so great by sticking to game design ideas that made sense in 2000 but not 15, 16 years later.