Who in the world flagged this post and why? It doesn’t seem fishy to me. 
idk. i was wondering the same thing
Discourse flagged it 
This is a protection feature of the forum, I had it off for a while until “certain individuals” made it clear it needed to be turned back on. If it detects you’ve created a second account and then immediately reply to yourself, it will flag the post and account as a sockpuppet for moderation.