If "laundering" IP is made illegal, then we're all in for a huge surprise. Almost everything we say and do has been said and done before. And we're rarely the originators of our main ideas, we "launder" 99.99% of what we know, even subconsciously. Any one human could be suspected of secretly using AI today.
Copyright laws didn't need to be invented until the printing press came along, because the act of copying was slow and difficult.
Not a fan of the patent model for software, for example, but perhaps this is an argument for it. Or, we just get used to the fact that idea-reuse is cost-free, accept a couple of decades of uncomfortable economic dislocation, and get on with it.
