There are some people like this, but I've only seen it directed at those who I'd characterize as another "insider" - that is, at least involved with crypto/bitcoin in some way, or maybe some academic economist types or similar who think they have all the answers. I guess I take issue in particular with your usage of the word "welcoming". I mean, honestly, I can't think of another group on the internet that is more welcoming to newcomers who come with honest curiosity and even skepticism. Where things do get testy is with people who have already made up their minds about bitcoin and are looking for fight. Then, yes, many bitcoiners are happy to oblige (myself included). However, I reject this stereotype that we are not a welcoming community. It's just simply not true, and I like to call it out whenever I see it.