Well, minus the lack of trading/economy...
It's like D2.
(Was once) botted to shit (made everything not godlike worthless, now no trading so much less botting, if any)
Dupes and exploits
Repetitive mindless xp/loot farms
BIS cookie cutter item choice variation (D2 had better rare item variety in some cases so +1 to D2)
Has a forum with autists arguing left and right because people enjoy dick contests