Earlier quoted context omitted.
Leaving aside the matter of Mormons and their weird puritan sensibilities, what this company essentially did was reinvent movie rental, but because they did it on the internet instead of a brick and mortar shop we're all expected to think it obvious and self evidence that what they did was horrible. In other contexts on sites like this, "do [common thing] but on a computer" patents get mocked and derided because "but…
While some Mormons may have "weird puritan" values, simply wanting censorship options for some movies is something that many families would like to have, not just Mormons. And I don't think it's necessarily puritan to want to cut out that one or two scenes of a head exploding in an otherwise family friendly flick.
Using EDL files to edit movies for my family is something I've actually done before. I think a superfluous sex scene is okay in most contexts, but when watching a movie with parents/grandparents it's generally too cringe for me and everybody else in the room. I used mpv's EDL functionality for this: https://github.com/mpv-player/mpv/blob/master/DOCS/edl-mpv.r...