My feeling is that Tony Bloom and Paul Barber have a better idea of whether or not FFP will work and be implimented. Hence, they're making an effort to conform.
Alternatively, TB may just not fancy spunking £14m of his own money every year and wants us to be sustainable, which is also...
I expect that there are more clubs keen to see that the regulations are enforced than those that have breached them. I can't see clubs like BHA letting this die.