That's only because people started looking at pictures on screens instead of prints and screen technology has been stagnated for 10+ years. Screens are finally

That's only because people started looking at pictures on screens instead of prints and screen technology has been stagnated for 10+ years. Screens are finally catching up. A 4k screen has ~8MP of resolution. Modern bayer pattern sensors (1 color per pixel) in SLRs are at 24MP which is actually not a lot more resolution than 8MP at 3 colors per pixel and about the same data (8M*RGB=24M).