Good point. That might mean that Cruz needs to blow his wad this cycle, or else the left could be envigorated to challenge his eligibility in 2020 or later, since there wouldn’t be a sitting eligibility nightmare president to jeopardize.
It’s not like we all went back to Chester Arthur’s presidency and nullified every law he passed.
Even when zero is gone its not likely they want to destroy all the communism he brought to the party and the country and any outside chance for the big mooch,val/jar or the rest of the chicago mobsters.