I don't think it is as easy as you imply... Belkin's Thunderbolt 3 cable supports 60W power delivery https://www.belkin.com/thunderbolt-3-cable-usb-c-to-usb-c-

I don't think it is as easy as you imply... Belkin's Thunderbolt 3 cable supports 60W power delivery https://www.belkin.com/thunderbolt-3-cable-usb-c-to-usb-c-3.3-ft1-m-usb-type-c/P-F2CD081.html https://www.belkin.com/thunderbolt-3-cable-usb-c-to-usb-c-3.... Cables 2 Go's Thunderbolt 3 cable supports 100W https://www.cablestogo.com/usb-and-pc/usb-c-cables-adapters-and-hubs/thunderbolt-cables/1-5ft-0-46m-thunderbolt-3-cable-40gbps-taa-compliant/p/cg-28840 https://www.cablestogo.com/usb-and-pc/usb-c-cables-adapters-... StarTech says optical Thunderbolt 3 cables don't support power delivery at all https://www.startech.com/en-us/faq/thunderbolt-3-power-delivery https://www.startech.com/en-us/faq/thunderbolt-3-power-deliv...