Have you been in any fandom before tumblr?
Who cares if Tumblr wants to call out something. It's nowhere near as bad as some pre-tumblr fandom forums. Like in the beginnings of Harry Potter fandom, there were fandom forums and websites where they would try to get the other websites shut down because of shipping reasons, and they'd get them shut down citing falsified real life delinquency (ex. Ron/Hermione shippers have stalked me, sent me harassing emails, ect.) So tumblr is pretty mild, and hasn't ruined anything fandom wise to me. Fandom is crazy so of course you're going to get crazy shit around the board. Tumblr is also avoidable, you can stay here and on fanfic.net and on forums of your like.