It's easy to justify keeping some old cables around, but a few have become so obsolete that they're probably doing nothing ...
Component video cable, in just a few years, has gone from being a relatively uncommon and esoteric way to hook up video devices to being the near-universal analog video signal standard for home ...
USB has been on our desktops and laptops since about 1997 or so, and since then it has been the mainstay of computer peripherals. No other connector is as useful for connecting mice, keyboards, ...