A longstanding and rhetorical question - when the hell will the IT industry switch to optical HDMI and DP cables? Yes, it's time for USB. Consumers constantly struggle with finding high-quality cables of the required distance (try, for example, to find a high-quality 15m HDMI 2.1 cable for a projector, even for 2.0b this is a problem), because high-quality copper cables are many times more expensive than optical cables at the right distances and have long become obsolete. The world must already switch to optics.
On the other hand, the speed of communication protocols with monitors and peripherals is severely limited by the speed of RAM. And this shameful part of all PCs over the past 13 years has grown only 2-3 times in bandwidth (from 20-25 GB / s to 40-70). And it should have been 10 times higher - at least 200 GB / s, and for the most ordinary computer and laptop on some i3, not to mention I5 and higher. DDR memory has completely outlived itself as a technology, but the IT industry, which is entering a complete, fundamental technological impasse, does not have solutions and answers to this that meet the requirements of time and progress.
Somewhere out there, in the quiet of laboratories, egghead-corypheus scientists show super results, but in an ordinary laptop there is still a 1Gb/s link, instead of at least 5 Gb/s, and most routers are the same for sale, miserable, outdated.
The same scientists promised us over the past 15 years 100500 (I lost count a long time ago, according to this lie from small startups, which, having mastered grants with an appetite, eventually disappear somewhere) super-improvements of lithium-ion batteries, but we still use smartphones with the need to charge in 1-2 days . Instead of once a week or month...