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On both social media I still use, I followed bunch of indie ttrpg devs. I had to unfollow the ones on tumblr because they don't talk about anything but how much they hate D&D, up to including writing weird headcanons about people who help popularize it (I actually seen someone on tumblr claim Brenann Lee Mulligan must HATE D&D because only dumb people could like it and is only pretending to like it for clout) or bich about how D&D fans only want to play D&D and get mad when you tell them they're complaining about a small minority.
meanwhile indie ttrpg devs on Bluesky constantly promote their work and inform of sales of their products. I found many cool games through bluesky, meanwhile nove through tumblr.
On Tumblr (and LJ), the indie devs get to be honest about their feelings. On BSky, it's all advertising. Because I'll tell you this - every dev who's not part of Hasbro despises them. So do most players.
I sure did not learn anything about ttrpg development or even what cool indie games I could support from following them, because all they do is complain about D&D. If you are D&D hate blog a) jsut say so instead of pretending to be something else and b) you are a D&D blog. Being defined by hatred of the thing is still being defined by the thing.