Yesterday, I heard the sentence "That forum is locking itself down from serious users, instead encouraging kiddies with too much time on their hands to join." Generally, I agree. Someone who simply wants to comment on a discussion will not want to play strange (and largely useless) games to be able to do so.
It's pretty embarrassing what we put the Xilinx_guy
through; this does not lend credibility to bitcoin in the eyes of established businesses. I can't help but wonder how many other people have been driven away by this policy.