I suggested the “new to build” option.
But you can’t argue “EU is multiple independent countries so they should all be allowed to make up their own standards for wall outlets” and then argue “EU has authority to make manufacturers selling into any of these independent countries use the same charge port.”
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You kind of can tell what the upper limit is based on the size of the wires and the spacing between them.
Wall outlets are much harder to change and cost a lot more if you have to change your whole house, they last for decades, a charger/phone lasts for less than a decade, in fact..just a few years.
You can't force people to change existing wall outlets, you can't force people to buy new phones but as I said, a phone lasts just a few years, by then the standard is there.
I agree it's not the way it should be, it should be standardised, the problem is, who (Which standard plug/country) gives in!
The EU is still an infant, it might take decades to grow up...if ever, lots of differences.