It is less than a dollar per disc, they loose nothing. They are and will continue to sell them without risking any big losses.
Discussion
Big companies know they can't prevent pirates from ripping them.
Why would they release on a disc if they can trick people to paying to stream it on a computer where they can zap it away from you whenever they like?
They won't do it over night. But I believe it will happen.
True. But unless they control every single bit of the devices you watch the movies on they just cannot do anything. Linux iso makers can do rip an iso even from streaming services. When you look at torrent sites and you see WebRip you know that this was taken from a streaming site
There is multiple layers of encryption. They tend to be able to rip 720p and below. But 4k content is often never decrypted or the exploit is patched within hours if one being found.
That's why you can only watch Netflix in 4k on like windows with Internet explorer.
It locked down android device that isn't rooted.
If something is on the internet then it will stay on the internet. That is the princaple I have in my mind while browsing the internet. Especially in an age where everything is archived by someone somewhere. Nothing is inpenetrable.
You can even record your display output with a capture card. If it gets so intense you can try to record your screen with an actual camera in a dark room somewhere. But there will be other problems that are more important before we need to go this far. As I have said before: nothing is inpenetrable.