Plus it's all done over TLS and your ISP won't send you notices because you're not uploading/sharing anything.
- the BR-enabled player software ("Cyberlink something " Windows-only) is a POS[1],
- playing BR directly on Linux is not a fun experience to get working (fucking DRM)
- not having to search through a cupboard of boxes for the disk I want to watch (convenience)
- not being arbitrarily restricted to 720p or less on streaming platforms ( because I have the audacity run Linux ) even for movies/series I would "buy in HD"
- etc. pp.
[1] From what I remember from using that software years ago: extremely laggy interface, audio volume slider does basically nothing above the "2%" setting where the sound will just be so loud it nearly blows your eardrums (even with Windows audio setting for that program at ~10%), basically no useful keybindings apart from <SPACE>, putting the popout menu on the screen to get more controls almost always locked the program up for >20 seconds, the software had giant ad banners for the other garbage made by that company, etc. pp.
There is no way to legally obtain all the content by paying.
and what deal netflix had with the various content providers that expires, see e.g.
keep in mind, they won't be small.