Didn't marco say that the limit is only for the period when he's not here? Guys, you can't barely read.
It's because he can't check your posts when he's away, so one can post like 1000 freakin' spammy posts and get more than 1 BTC payment.
No... Bitcoin Boy is still here so it is being monitored. If you did try to spam either he or admins will catch it. You can get temp banned from forums for crap posts, or spamming or negative feedback for it.
This user was recently suspected of being a alt by a admin -
https://bitcointalk.org/index.php?action=profile;u=266213 . Notice how he is no longer in campaign. So it is being watched still...