Then if the rules change, there should be a law. And previous laws and contracts should be honored.
Either that, or dont claim to be against judicial activism when it supports the rights agenda.
I think the when men participate in a system that makes it seem like their reproductive behavior has no consequence, they are in for a rude awakening, though not necessarily an undeserved one.
And yes, women should not use sperm banks, and companies should not be allowed to offer such services unless they are willing to financially support to full adulthood the children and unimplanted embryos they create.