Comment by torginus
History has shown that friendliness is a terrible goal to aim for in of itself - the modern approach to achieving 'friendliness' on Reddit for example, is to brutally crush any dissent by downvoting, removing content and banning users who go against the grain in any given subreddit.
The resulting discussions look like to outsiders like a happy community of friendly people who generally agree on most stuff, yet when you try to actualy participate in these discussions you'll find out just how crappily they are run.
Most people leave at this point and the only ones who stay are those whose desire for validation is greater than the desire to express their own opinions.
Well, that and reddit mods banning "uncomfortable" (to them) discussions and opinions. A few years ago reddit made an active decision to purge communities around topics that they decided were not good for the platform. The result was that a lot of nuanced communities and places for discussion disappeared from the internet because some people outside these communities decided that they were too "unfriendly" and offensive. They were not perfect, but there was a place for nuance to be expressed there that nowadays internet lacks.