1) yes especially if they are named xxIllidanxx
2) no if you die on argus the character get a nice tomb hardcore diablo style
3) no warlock will get the ability to summon a pit lord
4) shaman and pally only do white damage because there is no elemental/holy power
5) all the healers could only heal with bendage
6) shadow priest get attacked by both burning legion and army of light
edit:
7) jaina is corrupted