what capture card did you try? and what cpu are you using?
as for physical media - if studios wanted to sell the same content but as a download that i can use as i want then i am ok with that. i dont see it though. everything comes down to control. effectively this is the new “rental” model. you don’t own it. you either rent a window to view or you rent a perpetual viewing window until such time as the studio determines they want to pull it.
disney used to put their movies into a so called “vault” and for years you could no longer purchase it. imagine they decide the next star wars will be available for a year, then pull it, to re-release later.
or they find some scene is deemed offensive and they alter it and so you lose the original
or the music they licensed expires and they change the sound track
this is the future we have. you don’t “own” it. you simply purchase a lease to view it
video games are going same way at some point. microsoft tried it with the xbox one and it was too soon. but it will get there. they wanted to make it so you could not lend your buddy the game or resell it.
like others, i think 4K is it for me. i’ll upgrade what i can and buy whatever is new and of interest.