I’d add an additional point to this list: Piracy offers control over the particular edit of the film you’re after.
I find it so infuriating when streaming services only offer the extended edit of the Lord of the Rings films - these scenes were edited out for a reason! I pretty much only want to watch the the cinematic edits.
Same for Bladerunner. There’s so many different edits and the streaming services rarely declare which edit they offer, let alone offering options to choose your preferred edit.