The public domain and licenses that approximate it (3-BSD) do not suffer from this problem. Eliminate copyright law, and everything still functions like a permissive license.
I want to abolish copyright because I think it gets in the way of creativity. Generally speaking I also want less dependence on men with guns. Since I want to abolish copyright, I do not like the GPL. The best way to abolish copyright in practice is to use a permissive license.