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It's LESS universal for gadgets. A 100W PSU, far more expensive, not supported by microcontrollers with built in and too many pins.
Real USB can be easily implemented. It's purely a 5V low power supply and client - server twisted pair serial connection.
Also the idea of the video and high power is purely for a certain class of laptop. It's not universal to power any new design of laptop. In fact adding video and power for mid range laptops makes it be a UUBC, a Universal Ultra Book Connection, not USB for memory sticks, HDDs, optical drives, scanners, cameras, phones, joystick, serial & parallel ports via USB, joysticks. In fact it's unsuitable for most of the things that USB was invented for due to the 100W power brick (or it's not a real USB-C charger) and the too many pins so it can have a serial port to communicate about power and have a video port that's probably inferior to the most recent HDMI standards.
Users weren't looking for this. Someone in a marketing dept that's clueless about real world USB peripherals and USB standalone gadgets and has a very skinny laptop and thinks it should just have a small number of identical skinny ports has specified this stupid interface.
It's not the cable that's the problem, it's the complexity and expense.
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