Not to “fix” but to force him to kill it by sending him the most hated (but key parts that keeps the mess running) to either sign it, and thus killing it, or vetoing it and having the public turn even harder on him and the Democrats.
It isn’t piecemeal for the sake of it. It’s to have him makes a Sophie’s choice. Either tank the Dems further into the ground or tank Obamacare.
What portions of Obamacare are you ok with?
What provisions are not an unconstitutional abridgement of your liberty?
Can you pick and chose which portions of the 2000 page bill were perfectly legitimate and ought to remain in effect?