H1-Bs can already moved between companies quite easily in the current system. EDIT: I don't know why on earth I'm being downvoted. I'm speaking from first-hand

H1-Bs can already moved between companies quite easily in the current system. EDIT: I don't know why on earth I'm being downvoted. I'm speaking from first-hand experience as I have moved from one company to another on H1B and I know other people who did.