Physical when possible. Little downside and some potential resale value down the line. Faster installs, even accounting for updates. Sometimes less space taken up on a device that should really have more than it does.
Until they start discounting digital over physical, why wouldn’t you?
Not sure what you’re on about.
I don’t think the article claims “no CGI” and certainly doesn’t claim to be straight-out-of-camera with no post processing. It’s about practical sets, which they do use. Not the mostly-green-screen or The Volume virtual sets that many shows use now