Just to note, the USB 3.1 specification
allows up to 240 Watts of 48 Volt, 5 Amp power.
Easily enough power for a monitor/TV, or for a small desktop computer.
https://audioxpress.com/news/usb-specification-revision-defi...
And Anker now makes the honkin’ big hubs you need for that: https://www.anker.com/products/a2342-240w-gan-charger