https://www.engadget.com/2019/01/18/emmy-awards-will-kill-off-dvd-screeners-for-good-in-2020/The Emmies will stop giving out screener copies after 2020; they're moving to a custom streaming platform.
I don't think physical media will ever go away completely. Before home video there were companies who made 8, 16, 9.5, & 28mm copies of movies for home viewing. There will always be a small part of the population who wants to own what they watch.
I can see a future where only a handful of major films are released each year, on Blu-Ray or some Ultra-HD Disk.