as opinionated as *I* am, I cannot for the life of me see a 'right' answer to this dilema we humans have gotten ourselves into!

Who 'owns' the rights to sperm, eggs, embryos...etc.. is not something we just ask a court to decide, though that is what WILL be done, and it will probably be changed several times as different groups get the power to do so! It will eventually come down to 'whatever you can get away with or pay for'.

So far, no one is asking how you explain to any child who DOES manage to be born this way who his daddy was ...and why