I'm with you OP, I saw a Facebook post from a friend saying her DC were so happy their school were doing OCC and I thought that they'd - OCC - had been banned because of their evangelical stance. Then I was
should I tell her?? Does she not read the news go on Mumsnet or even google it?
I wish I had now. 
I think bringing this up now IS perfect timing, anyone whose school is still doing it, can draw the schools attention to it and tell them why it's a terrible way to be doing things in the 21st Century. Hopefully, stop doing it in time to find a better different charity to send their shoe boxes to.