I'm not arguing that one language is _better_ than another... just that people are exposed to some programming concepts sooner than others. That gives these ideas an incumbency advantage that can be hard to overcome.
> any attempt to prove something would have a high bar to pass.
Honestly, the best way to (dis)prove what I'm saying would be to put together a counterexample and get the ideas in broader use. That would get FP in the hands of more people that could really use it.