Might it have something to do with the reports of him being a little too – shall we say – Italianate while filming?

‘Megalopolis’ Producer Addresses Report of Francis Ford Coppola Trying to Kiss Extras on Set: ‘I Was Never Aware of Any Complaints of Harassment’

Crew members on "Megalopolis" allege Francis Ford Coppola wasted time on set, showed up late to shoot and more.

I thought that had been debunked. But the pile-ons aren't even mentioning that. Their sole criticism seems to be that it's a film by an Old Person. As an Old Person myself I am disgusted.