Recommending and boosting this advice to be chill with newcomers.
People arrive here with the preconception that Mastodon is hard and that folks here are scoldy.
If the first thing they encounter, after figuring out the 'which server should I choose?' headscratcher, is a bunch of criticism for how they post here, like not using alt-text or too many hashtags, it is really frustrating.
Let's be welcoming and give folks a chance to settle in.