SCOTUS truly would decide that actions during an election year are presidential duties, unless they are impeachable and an impeachment is successful, in which case they were private citizen stuff all along.
I wish people would stop saying "but" and maybe just like call it in? Stage a protest? Demand that he be brought up for charges?
Like if it's a crime and he doesn't have a defense, uhh... like what's the holdup? The "Teflon Don" from your history books was eventually convicted, even after it seemed his ability to escape consequences was limitless.