>I don't feel safe discussing social-justice-related topics on accounts that can connect with my real-world persona
Isn't it amazing that this is a thing, and you're certainly not alone in feeling this way, and yet people can still support the movement that has you feeling this way?
On my few social media accounts, which are linked to me as a person, I'm more than happy to criticize the government(s), I'm more than happy to criticize the NSA, GCHQ, etc, I'm more than happy to criticize politicians and many other things but I'm sure as hell never going to voice my opinion on modern feminism/the social justice movement on these accounts.