Against my better judgment and because I'm a nice guy, I dug up the reference you seem determined to extract from me.
Editorial: How Bill 156 Got Passed - Anime News Network
Pretty much encapsulates the whole history of Bill 156. If that's not enough, I suggest you direct your questions to the author. I'm sure the derisive devil's advocacy of some forum member will carry much weight with a member of the anime/manga industry itself.
Dan KANEMITSU - Anime News Network
I consider the matter closed, FYI.