"Hey friend, it looks like you are using Opera. Beware, pal, that we don't go to the opera down here on the ranch, so there may be rough-riding ahead! Try one of these nifty browsers buddy, or sally forth into the unknown. OK, pardner?"
After all, Myspace has a commonly-used bug reporting functionality.
> complain loudly to their friends
Because they won't complain about being locked out?