We currently are between leaders. Technically we have a president, still. He leaves office in January, maybe.
This uncertainty is causing extreme anxiety for some people. It is out of the hands of the humans who are upset.
Sit back and let the system work. There is no infallible system of government. You have to accept it as is, do what you can to fix the parts you don’t like, and be at peace with the outcome. The only other option is to live somewhere else.
Be a nice human to those who think differently than you politically and relax.