I don't buy this. Watching hi-res remasters of old films (Alien, Catch Me If You Can, Jurassic Park) you get incredible definition without damage to suspension of disbelief.

I think this comment[1] above really highlights what bothers me about modern shows and movies, but in short it's not the high def, it's how it's used.

[1]: https://news.ycombinator.com/item?id=46062911