This is like when the states do "insurance reform" -- and drive most insurers from doing business in the states. Colorado wants "online retail reform" so it kills all Amazon affiliate businesses based in Colorado.
What happens with insurance is that whoever is left has less competition and the rates go up. I imagine, extrapolating, that associates in states without these restrictions should stand to do very well in the future.
Was there any indication from Amazon beforehand that this was going to happen?