Dementia, anti-social personality disorder, poop poisoning, affluenza, and probably a splash of lead poisoning

Political distraction domestically where, supposedly, "wartime" presidents have an advantage. Doesn't hurt that it sucks up headline space that was previously dedicated to ICE atrocities or whatever latest blunder his administration has created locally.

Also, helps continue to strangle international gas and oil supplies further pressuring countries to ease sanctions on Russian oil put in place over the ongoing Ukraine war which helps Putin.