It has a broadcasting remit
so it's not free to do whatever it wants for money. I'd guess that means it has some public body behind it, and can reasonably appeal for support since it's commercially restricted.
( Flapjack I spay a little mare for you, Tue 16 Jun 2009, 10:42, archived)

I guess that explains why it's not nearly as crap as ITV.

( Moon Girl Technologies horrendous beanbag, Tue 16 Jun 2009, 10:47, archived)