Here in Kansas it is utterly illegal to move them, including the need to clean out live
wells and the hull of your boat before leaving a lake. But, considering the Michigan area is close to where they were first introduced in to North American waters, then maybe the laws have settled in your region since it was a loosing battle from the get go?
Simply being a filter feeder, as mentioned, is enough not to use them as well. Our waters are simply not clean enough to not expect a transfer of the toxins.
Otherwise, you are thinking along the right path, and was definitely worth investigating.
"Our society is run by insane people for insane objectives.... I think we’re being run by maniacs for maniacal ends ... and I think I’m liable to be put away as insane for expressing that. That’s what’s insane about it." - John Lennon, Interview BBC-TV (June 22, 1968)