To help with this in the future, you can also create several fake results sharing your real name. Stuff like a blogger with one post not in your writing style, etc… This will dilute searches with disinformation. Removal of real data is important, but you can also confuse anyone looking.
I second Matrix, though I’ve been waiting for e2ee direct p2p (the Dendrite project) do be worked on for a while. Having something like that, that’s truly decentralized while secure and hiding metadata where possible, would be a dream.