Because most media is still 1080p, 4k TVs (especially big screens) need to basically have a mini PC inside to handle the upscaling, or you might as well stay with a 1080p TV. So thing very few people seem willing to do these days

At that point the “smart features” don’t need anything else, so it wouldn’t make sense to leave them out.

When media is mostly 4k, we won’t need upscaling and “dumb TV’s” will make a comeback like back in the day when people would buy cheap TVs that were just as good as the expensive ones.

Since most modern media is streaming tho. And streaming companies keep charging extra for 4k streaming, it’ll be a while.