CptMuesli

Because you can make more money when you abuse your market position to sell overpriced cables.

But they did not see themselves as a utility supplier. They preferred having the superior charging cable over licensing it to others. This way they protected their market share on Iphones.

They planned to something like this, but EU regulators made clear that this is an violation and would lead to consequences.

India has actually developed such an open platform: the open network for digital commerce.
https://ondc.org/learn-about-ondc/
https://en.m.wikipedia.org/wiki/Open_Network_for_Digital_Commerce

So the software is there. You only need to adapt it to Europe and get people to use it.