It's not very nice to lie.
Yes they were. If you mean you want to lump an expansion together to make your case rather than the individual raids, you have to be explicit. So... nope. Your statement was factually wrong.
And yes, i did play.
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That is ridiculous. If there were more raid spots, more people would be willing to main tank. Still... that is a very far straw you are grasping at. Actually having more people required to tank would also mean lower queue times for all kinds of content aswell. ¯\_(ツ)_/¯