The other end being USB-A power adapters? There’s a vast number of those of varying quality. Some have zero logic and just output 5V/1A. No way they could be trusted for this purpose.
call this a “safety in depth” approach
call this a “safety in depth” approach
Though likely there's something in the phone _as well_ as the cable.
Guarantee there was a consumer study where they compared reactions between these scenario.
The world is unfortunately not very efficient.