The problem is that when new laws are passed, instead of reorganizing to play within the limits of the law, politicians and their staff, more than not, see how far they can bend it without actually breaking it. I'm sure some even find ways to get around it. Such as what happened with the 527's after the massive reform led by McCain several years back.
The 527's aren't officially backed by any candidate but we know who they take their marching orders from.

Hubby