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but it’s not what parent author wrote. idea was to use usb-2 cheap cable as a cable to transfer electricity between charger and laptop.

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USB 2.0 specifies a maximum of 20AWG wire width for power transmission, which would limit you to 1.5A for charging.

http://sdphca.ucsd.edu/lab_equip_manuals/usb_20.pdf

We're talking about usb-2.0 data over usb-c cable. It'll still have the power delivery of usb-c

And that wastes physical real estate that could be used for a more modern cable. And with more USBC / thunderbolt cables around, theyll also get cheaper.

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