React is a small part of the web(in terms of the number of people using it commercially) and thus a library written in React isn't terribly useful for most of the market.
> React is a small part of the web(in terms of the number of people using it commercially) and thus a library written in React isn't terribly useful for most of the market.
And why does that matter? The OP is someone's toy project, not an attempt at starting a SaaS company.
Quite a few actually! After all they include static pages with comment sections, forums, image boards etc. - all places where you would want to have user profiles and naturally avatars.