I hope this is true but I'm skeptical. Ramming the bill through with a thin partisan majority will make it the #1 target of democrats to undo first chance they get. That could make businesses cautious about relying on it in their long-term planning and blunt its economic impact.
And although only a small percentage will be harmed by the bill, those cases will be trotted out by the media at every opportunity to undermine support. They'll also be mercilessly ridiculed for for their failure to deliver any of the promised simplification of the individual tax code...