I don't see the complaint. It's "React", not "Reactive" — even though React is inspired by principles from reactive programming, it is only tangentially related

I don't see the complaint. It's "React", not "Reactive" — even though React is inspired by principles from reactive programming, it is only tangentially related, and I don't see how it can be construed as an instance of fethisism, or how you could possibly find it so offensive. You can interpret the name in any number of ways. UIs are all about "reacting" to user input and data changes, for example.