How did those in charge of the congregation respond to the accusations?
Probably, and I'm just assuming, of course,
very poorly
and with a view to prioritizing protecting the good name of the organization concerned whether that be the Scouts, Oxfam, the Catholic Church, or even Jehovah's Witnesses and the Watchtower.
-Are the religion's policies adequate to protect minors within it's ranks?
See answer to first question and take a guess.