A great example of why #mastodon is better than Twitter ever was: #asstodon
On Twitter, I once posted a quote from Salome and tagged it with #wilde, which was, unfortunately (but in hindsight not surprisingly) for porn. This got me a lot of very unwelcome followers.
Because of this experience, I was hesitant to look at the hashtag #asstodon because I feared the worst. But mastodon is different! Go ahead, click it! I bet you will follow it!