>>717737601
>multiple versions of the same dungeon
>throwing away all the previous content
>focus on endgame content
>dailies
>flying mounts
>resilience
>free epics
>neutral capital
That's not 2. And I'm sure I'm forgetting some.
In retrospective TBC unironically turned out to be the most cancerous expansion. It still was a good expansion, and those mechanics were mostly implemented pretty well, but their consequences are absolutely disastrous.