Network effects, monopolization, a lack of diverse payment models on the internet, and reduced interest in system administration have primarily lead to the cent

Network effects, monopolization, a lack of diverse payment models on the internet, and reduced interest in system administration have primarily lead to the centralization of communities on a few platforms, which has lead us to this problem. If you could somehow solve 2, 3 and 4, I assume there'd be many thriving topical communities in parallel, just like the forums of yore that you speak of.