With higher resolution, comes additional problems with signal transport- if you try to use an HDMI cable from 20 years ago, it probably won't work well, if at all, for 4K. This is especially likely if the cable is longer than 6'. When High Def and HDMI came about, I don't think anyone thought that HDMI would still be used now, nor would they expect that resolution would increase to 4K or 8K. This is a problem because most 'custom installed' systems hid the cables and many installers/installation companies secured the cables, rather than using some kind of conduit. That changed quickly, but the reality is- HDMI was never meant to be used for long cable runs and was supposed to be 6' at most, connected and left alone. These limitations would have prevented me and most sensible people from