Care to elaborate? Honest question because I'd genuinely like to know

There are plenty of companies that sell you physical media. Even analog format like vinyl and cassettes.

GoG (good old games) sells you games without DRM. There are others like that, too. Some companies, like id, open source many of their works.

You can buy DRM free music and videos.

There is not any significant DRM free digital movie marketplace, and the reality is that movies aren't fungible: if I want to watch Strange World or Doctor Who, I'm not going to just instead watch an indie arthouse film that happens to be available without DRM

Media is as (un-) fungible as always. Your complaint sounds a bit like complaining that you can't buy an iPhone that runs Windows. Bundling is a thing in the economy. You can't buy a Porsche with a Tesla engine either.

You can still buy movies on DVDs, which still can't be disabled remotely. DVDs are very digital.

Yes, you can complain that there's no 'significant' movie marketplace without DRM. But you have to complain to and about your fellow consumers: their patronage ultimately decides which suppliers become 'significant'.