Unless I'm grossly misreading the article he literally talks about Netflix using their leverage against theaters.
I think you're misreading it - or I am!
As I read it he's specifically focusing on Netflix produced films not their model and entire catalogue.
In short he's saying "if you're going to fund a theatrical film release it in theatres first" which is why he notes Amazon as a counter example.
He's unhappy as he sees Netflix short changing their own films specific to having a decent theatrical run.
I don't see anything bemoaning streaming services or attacking theatres.
Conversely he's saying they're cutting off their own nose to spite their face - e.g. They're losing out on revenue from a proper theatrical run just to get their funded film on their streaming service.
TBH whether deliberately or not I think he's missing the point a little as I'm sure Netflix know that. They're funding Scorsese $100 million for the kudos and to draw people to their service for example, not because they want to enable it to have a full theatrical run.
Conversely Amazon it would seem to want their films to be seen as films with the traditional model then hit streaming which is why he's fine with their streaming service model.