I received an email about threads and Mastadon a bit ago. The thing is I deleted my Mastadon account a hot minute after I created it. The email has no way to unsubscribe from it 
I would like to be comforted that I’m overthinking this. My Mastadon account was a couple of years ago in both creation and deletion. It’s incredibly disconcerting.
Yes. Somehow I misunderstood/misread what happened.
Sorry, it’s me panicsplaining things. Not you
I really hope it all gets solved to your satisfaction! The folks around the Mastodon project really seem to want to keep things good. I’m not a Zuck fan either. Looking at some of the people Threads is using as standard bearers, Jack Posobiec and that group, it’s unlikely the Threads instance will satisfy the criteria for Federation anyway. :)