For those who wonder why my pet peeve is someone @ mentioning someone I wrote a subtoot about, here’s someone on birdsite explaining why it’s a dick move:
tl;Dr: if you loop in someone popular with an innocuous subtoot, you make the OP a target for harassment because Stans will see it and respond.
People from marginalised communities deliberately don’t @ public figures on birdsite for this exact reason.
Bobadon.rocks is a general purpose instance created by Bobby Moss for his own personal use. He is now sharing the free user slots masto.host provides with those looking to host their accounts away from larger instances like mastodon.social.