Ehhh... might be better that way. Dont whant to act like a gate keeper, but if you are refering to normies, then it better this way, since normie activity usually is politically oriented, and not in a civiliced dialogue oriented manner, specially US politics, and usually on major non isues that i rather not get into since i dont whant to sumon them, and with normie activity comes the political bots that just make the noise louder. Its the main reason that r/whitepeopletwitter never leaves the top 10 of r/all back at reddit and why twitter and facebook are full of extremist viewpoints. Now if you are reffering to other academic/profecional comunities like the historians, medics or phisicyts, then thats because they usually stay on the larger online platforms or standard publishing because they are not on the mindset of being anti-stablishment, rebelious or cyberpunk HACK THE WORLD kind of thing since their comunities are better stablished and they really have no reason to be in on some obscure platform thats really just the second best choise to reddit thats mostly used by ex redditors. Now that might change due to meta sticking their noses up in here or hopefully due to the growing comunities in the fediverse. Although with the beef some of the instances have with each other that might definetly make it harder to sell on other people outside of the alreaddy interested.