of course there will be. i also have a lot of those but honestly the best isf/tuners will tell you: you own your equipment do what you prefer/like. for example thx mandates 80Hz cutoff. me? i dont care i set it higher. back to 4k if current targeted market for atmos/dtsx is saying NO! to...
the issue isnt just scan at resolution it will be the entire production chain. if you downrez to 2k there is no way to re-populate the lost resolution. most prod chain arent 4k yet