It's sad that I keep having to point this out, but here goes yet again.
Pleroma is not, and has never been, developed by fascists. That claim has to do with the actions of certain GNU Social nodes which are, save for running Pleroma FE on their instances, entirely unrelated to the Pleroma developers. The Pleroma developers do not control the editorial stance or endorse the views propagated by those nodes.
The continued allegation by a handful of individuals is Joe jobbing ( https://en.wikipedia.org/wiki/Joe_job
The Pleroma community has a general ethos of rejecting extremism in all forms, including fascism, white supremacy, etc.