Broom Kid said:
There’s a considerable difference between a film being restored or preserved and a film being sold on a home video format of choice. One is a question of preservation, the other is a question of consumerism. You may ask "well what good is preservation if I can’t buy a copy of it at thFilm history isn’t being ignored, and the original version of Star Wars isn’t going to disappear from history because it wasn’t pressed onto 4k UHD disc.

Disappearing from the collective conscious is a form of cultural erasure and a legitimate issue, such that many efforts over the years (like the website you and I are posting on right now) have sought to highlight as much for a while in the face of an unchanging corporate entity.