He was not happy with login captcha and cloudflare issues... since he was using TOR and was pissed of about it.
He had mentioned it multiple times as he was unable to reply to many posts in timely fashion so I guess that annoyed him and he took off.

https://bitcointalk.org/index.php?topic=3001981.msg33008068#msg33008068

Pretty sure now he's using an ALT (or real account) and without TOR ... so hello Mr.