I think the complaint was less WU bothering them with disrupting their workflow by installing updates, and more that WU sometimes installs adware as an "update"

I think the complaint was less WU bothering them with disrupting their workflow by installing updates, and more that WU sometimes installs adware as an "update", and Microsoft decided around Win10 that it was tired of users disabling updates until they wanted to update, and stopped letting you do that without really invasive changes.