There are several threads here that - in my opinion - should not be locked upon an "answer" being provided. There are several threads on SSL/HTTPS in particular, and any further discussion gets stamped out prematurely.
http://www.mmo-champion.com/threads/2319408
http://www.mmo-champion.com/threads/2317474
http://www.mmo-champion.com/threads/2228403
This is something that should be discussed further. A lack of HTTPS/SSL is a bad idea. Like it or not, people will be reusing their password here, and it's pretty trivial for networks to intercept that information over plaintext. As of Chrome 56 being released early this year, the browser also states "Not Secure" when users enter their password into the password field on this site.
Ads shouldn't be a factor here at all. Even if you don't get site-wide SSL, you absolutely should be securing the login form as a bare minimum. The lack of security oversight here is disconcerting, with it all too often being brushed off as something unimportant.
I did go off on a bit of a tangent there, but I do wish there could be further community discussion even after being told "no". If Blizzard can reverse their answer on WoW Classic, then Curse can reverse their answer on implementing SSL.