This is absolutely the truth. Ruby (Mastodon) and PHP are far more than enough to get the job done, and being good at your job (building a product) is more important than using the latest or greatest tools.

That said, these examples often have great existing products and communities keeping them in the conversation. OCaml is good enough for Jane Street but that doesn't mean it's the best or go choice. Such wars or discussions are definitely shallow when focused exclusively on the syntax and semantics