Sounds like sour grapes to me.
It actually makes sense to have the right side wetter than the left since there is more traffic there. It might actually might make both sides play closer to the same.
And as others has said, that doesn't make it illegal. The only way to know is whether the USBC ran the tapes. Even with one illegal tape, I seriously doubt the USBC came back "several times this year and last" to run tape after tape for a house shot. They have enough work checking sport tapes.
Now it comes out that you think the shot is illegal, or is that just unfair to you, since you've been tossed from a previous event? Oh, that's right, every one was doing the same thing, just you were caught. Something doesn't add up with everything you're telling us.
--------------------
Telling it like it is.