Exactly James - and protecting the cis kids from the influence of those who persist in this 'undesirable' behaviour.
This particular issue seems to be backsliding even faster here than over there. There's so much forceful campaigning going on in the UK suggesting that children "thinking they are" transgender is some kind of out of control fad or social contagion - and when the government try to make as easy as possible to identify and discriminate against transgennder people it's very difficult to keep positive messages flowing to those who need supporting.