Posting this on behalf of someone that wished to register here to voice his opinion.

The registration page uses a CAPTCHA but his CAPTCHA is broken.

Evidence:
http://prntscr.com/ntymv
http://prntscr.com/ntsnx
http://prntscr.com/ntsr3
http://prntscr.com/ntstl
http://prntscr.com/ntsvg
http://prntscr.com/ntsxj
http://prntscr.com/ntt25

Hitting the refresh button also does not refresh the CAPTCHA.