Symptoms of the faux illness include ‘Trump-induced general hysteria’ where a person struggles to distinguish between ‘legitimate policy and ‘psychic pathology’
It’s another “every accusation is a confession” - he’s accusing people who hate him of having this, but really it’s the ones who are obsessed with loving him that are deranged.
Not him, but a bunch of other people on his political party.
It does feel a little like an attempt to legitimise it, so that criticisms are flipped off as mental illness, and/or an opportunity for institutionalising/excluding political opponents for much the same reason.
This is their attempt to get around that pesky 1st amendment. Make criticism of the king a "mental disorder", and then you can lock them up involuntarily "for their own protection".