The survey should really have been

Btw I didn't pay the beta, so I didn't read anything about keep this confidential.

The survey should have had the question be like "Which class would you want to return most to least"

Then you order death knight, Demon hunter, evoker and monk.

Then it should have said, what new class would you want most to see.

Then you order Tinker, necromancer, Witch, bard, and rune master.

In no world is any new class going to beat death knight or demon hunter, in a poll