Working ones are getting harder to find (and thus more expensive) and are impractical for a lot of people.
At least CRT shaders have come a long way (in particular, RetroCrisis has some fantastic ones for RetroArch: https://github.com/RetroCrisis/Retro-Crisis-GDV-NTSC) so we can at least make retro games look more CRT-like.
Working ones are getting harder to find (and thus more expensive) and are impractical for a lot of people.
At least CRT shaders have come a long way (in particular, RetroCrisis has some fantastic ones for RetroArch: https://github.com/RetroCrisis/Retro-Crisis-GDV-NTSC) so we can at least make retro games look more CRT-like.