This is my thinking as well. Hamfisted attempts to make LCD's look like CRT's by artificially curving the screen and messing with colors is just nostalgia. It doesn't add anything to game and 1980s designers were most likely pissed they had to deal with these limitations like color distortion, curvatures, ghosting, burn-in, etc. Pac-man isn't better on a shittier screen. Pac-man succeeds because it had novel game mechanics for 1982.
Outside of lightguns not working this seems like a non-issue to me. I'm sure the emulation community can find a work-around for this for the few people actually using lightguns under emulation.
>Have you guys seen Musee Mecanique
I live in Chicago and have access to all sorts of barcades as well as one of the largest, if not largest, arcades in a nearby suburb, so I'm pretty well versed in the arcade experience today as well as from my childhood. I went to Musee a few years ago and was expecting an experience like that, but instead the game floor was mostly these near turn of the century mechanical games. I was fairly disappointed, from a gameplay or mechanical perspective they were kinda terrible and largely uninteresting. They had historic value but that's about it and probably better off in a proper museum and lovingly maintained than beaten up for quarters. I think in 20-30 years this is exactly how CRT's will be seen. Kids will marvel at how terrible their low resolutions, framerate, color accuracy, and ghosting are.