@rauschma is that Mastodon's special names (eg instances for servers) are not intuitive and the Tech Bubble don't automatically have to be the greatest pedagogues.
We have great guides/explainers for "normals" like @FediTips with https://fedi.tips/ - but, problem 3, as long as their link is not presented to *every* newcomer, it is a game of chance to find them.