Adding those imperfections to the video in post allows your brain to fill in the blanks and make it look more realistic. If it were a 4K video the CGI would be

Adding those imperfections to the video in post allows your brain to fill in the blanks and make it look more realistic. If it were a 4K video the CGI would be a lot more noticeable. I think the retro look will probably stay as I feel it's part of the aesthetic. But maybe in the future we'll have backrooms-style videos of the current times, and then I imagine the retro/vintage aesthetic will go away.