I really and truly think you misinterpreted TC’s post.
This legislation is actually a waste of time and money, because as far as I can tell landlords already can prohibit smoking in rental units, just like they can prohibit having pets.
This is not an infringement upon anyone’s rights, although I still don’t understand the supposed need for codification.
Maybe just a nutty legislator, grandstanding. I don't know anything about California lease law, so can't say whether this proposal would give owners more options than they presently have.