I don't really understand this reaction. It just seems a little immature to me. It's like "I'll show them!! I'm NOT going to try lisp. haha" Whether or not

I don't really understand this reaction. It just seems a little immature to me. It's like "I'll show them!! I'm NOT going to try lisp. haha" Whether or not lisp is worthwhile to learn has nothing to do with how some people advocate for it, right?