Some people still don't believe in censorship on YouTube? Check this out... I made a comment and it doesn't show at all to anyone but me as when I log out, this reply/comment in red marked with red 3 is not there... go have a look:
Its on this video:
Is this proof enough?
EDIT:
Either Rick is blocking me, or YouTube is censoring me regardless of words I use... as "exactly" is not quite reason enough to block/censor, right?
On this video:

 

$1.25
0.0¢

Reviews
1 of 1 reviewers say it's worth paying for

0 of 1 reviewers say it's not worth paying for
Comments
  spent 2.0¢
Nope, don't see it either.
0.0¢
   4wk ago
2.0¢
  spent 2.0¢
youtube sucks...but it's got the eyeballs. I hope their monopoly is smashed someday.
0.0¢
   4wk ago
2.0¢