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Saudi Arabia mandates all electronic devices to use USB-C charging ports from 2025
(www.gsmarena.com)
This is a most excellent place for technology news and articles.
I realize you're exaggerating but all you're doing is standardizing on size and shape of the connector. Not the power standards it supports. If your laptop needs 240W PD 3.0 and your car supports 100W QC3 you're still out of business. If your laptop uses QC3 but needs 12v and the adapter only supports 9v you're still out of business.
USB is not a standard. It is a collection of standards.
I have never had a 65W+ USB charger that had trouble charging any of my USB-C devices, including my notebook. Yes, USB has different standards, but most chargers support several different ones. Especially with third-party chargers, people want them to work with their device no matter what it is and USB makes it easy for manufacturers to offer that.