Like Neil Straus said something like 'your friends and family will never tell you the worst things about you' when he got in the
PUA community he got honest feedback for the first time in his life' and it was the main thing he used to transform himself.
Would be good, as K suggested, to have a warning to new members along those lines, and that they shouldn't take the criticism personally, it's an essential part of getting them out of the rut.