In Combat ilvl Check

[Almagnus1]

And if it is a tank, which seems to be your main argument, then all the DPS have yet another long que timer to sit through instead of just trying to beat the thing they are on now.

Being able to run an instance below the required ilvl by swapping in gear after the start of the instance is an exploit of the game systems, and probably should get players banned.

I know that sucks pretty badly for non-tanks if their tank is doing that kind of shenanigans, but that's also the example that's still fresh in everyone's mind.