They often fight against various kinds of oppression (be it racism, heterosexism, shaming, etc...) present in the pagan/witchy community.
In addition to that, they are fountains of knowledge in their craft and many admire and learn from them.
witch 2: Yeah! I loved how the Tumblr Witches corrected them with their awesome sass!
witch 1: I know! I can't believe it's still being debated!
witch 1: I had this problem with this abusive spirit. It was really scary!
witch 2: Oh no! What did you do about it?
witch 3: Well I've never really worked with spirits so I asked the Tumblr Witches for advice, and they helped out. I'm so grateful for them!