It's a fairly rational argument to have a preference/affinity for programming languages based on communities surrounding them. He stated his preferences, and that's perfectly fine. You might have been too quick in passing that judgement.
Unless a quantum computing breakthrough alters the way we control computers, there will never be a one-language to rule them all. We'll continue having a wide diaspora and will take evolutionary steps to bind ideas together. Preemptive and comprehensive security model might be just one of those ideas.
You refuse to learn a language due to how a project acts? Have you ever read the {open,free,net}BSD or Linux mailing lists? You're not going to make it far in software development with an attitude like that.