On the modlog you can see that 19 posts of you (#930440) have been deleted in a row : https://bitcointalk.org/modlog.php
That's weird, I reported 20
On a more serious tone, usually people don't get banned for spamming when it's not a newbie account, which then gets nuked.
So it is most probably a temp ban as explained above. But since he will get removed from the campaign I doubt we will see this account active in the near future.
Bye bye Max