82% believe he cannot do the job. Over 50% of his supporters. It’s not wise to ignore the people. The WH Dr will say he is competent. The media will parrot.
If, as his media sycophants claim, Biden is in such good mental shape and Trump, by comparison, is in such poor shape, then Biden should readily agree to a 90-minute debate without a moderator. Trump has already agreed to the challenge.