I'm not arguing with you, but I'm curious why you'd think a person should "Just learn JS" if you also seem to think that people that know and like JS can't get

I'm not arguing with you, but I'm curious why you'd think a person should "Just learn JS" if you also seem to think that people that know and like JS can't get it right? Isn't the purpose of libraries like this to remove the burden of "Just learn ____" from solving similar problems?