turns out lots of people "know" that the president has no say in the affairs of US states running elections
He doesn't, it's literally enshrined in the constitution. If he decides to violate that, it's him violating the constitution yet again, not proof that he has a say.
It would also probably be the last straw for a lot of people who has been limping along on the belief in free elections.
What are the states going to do with their local election results when the officials in Washington ignore them due to some manufactured state of emergency?
He already tried to get specific states' election outcomes discarded from the count on Jan 6, 2021.