I don't like buying DRM-encumbered digital copies. I'm OK with streaming subscriptions because their catalogues are fundamentally ephemeral, but if I
buy a movie I want to know I can
keep it forever, even if the platform I bought it from disappears entirely.
To that end, I only buy physical media that can be copied and have its DRM removed. On the plus side, Blu-Ray turns 20 next year and still provides better image quality than your typical 1080p stream.