I second the vast community differences across the StackExchange network. I like the mechanics one, the photography one, and the gardening one. They've been sup

I second the vast community differences across the StackExchange network. I like the mechanics one, the photography one, and the gardening one. They've been super helpful chill folks like you say. I've spent a little bit of time in the Bicycling one, and there may be some snobbery there but that's based on limited experience but the first impressions were a little tainted. The music one was a really warm receiving group. I think within SO there's sub-communities too just by tech stack. Some of the deep esoteric stuff might attract some snobbery.