There's that, and the fact he has no compelling vision to sell of what he thinks the country should look like, and the fact he's a ruthless shapeshifter who told a pack of lies to become leader, and would definitely sell his nan if it meant holding on to power.
A thoroughly dislikeable and dishonest individual who, if the polls are to be believed, has been seen right through by most of the public.
The worst thing? His total incompetence is going to land us with the first ever Trumpian right wing populist government in our history. That's about all he'll be remembered for.