They use old tubes though. No manufacturing plant is tooled anymore to create new tubes and that’s why they probably won’t make new ones unless a super rich retro gamer funds the endeavor or something. The TVs would have to be expensive as fuck to cost justify that for niche retro gaming.

I always thought this one looked cool when I was a kid https://crtdatabase.com/crts/samsung/samsung-gxe-1395

In case anyone is a fan of CRTs near Columbus OH, I highly recommend the Early Televison Museum https://www.earlytelevision.org/