I'm guessing this thing about children on boards is about the use of foul language on the boards?
Well it is not only children that is offended by foul language. And sometime, the youngsters may be watching mom/dad/brother/sister play games & read the boards.
(do skréše) Dež přejedeš tó meščárkó nad špilošovó maluvkó členstvi, okáže se tě takové jakobe řádek s hlavnima plkama o špilošovi. (pauloaguia) (okázat šecke vechetávke)