The kids doesn't have any fault here. If you keep getting harassed to the point of involve some else... Well, the target need to take action at some point.
@hikufalafel
There was a precedent. They were discovered before but it went better than they expected.
They also had a history of going out of the house, disobeying their parents.
They lived their whole lives being treated poorly, but only takes a portion of that to act as if they weren't harassed, which then leads to, yes, forced drama.