That might not all be attributed to nostalgia. CRT displays actually make things look more hi-res and «depthy» [0]. We’ve barely caught up with 4/8K and OLED. This is why CRTs are so popular for retro gaming. Some effects aren’t even possible to display correctly on a non-CRT (without shaders at least) [1].

[0] - https://www.reddit.com/r/interestingasfuck/comments/9xg8w3/t...

[1] - https://mobile.twitter.com/gamesnosh/status/1232731118354550...