How is a better standard going to be developed, though? Manufacturers aren't going to innovate, since they aren't allowed to sell anything besides USB-C.... so who is going to do the research and development for better designs, and how are we going to compare different possible improvements if manufacturers aren't allowed to try out anything new?
They are allowed to try out new stuff as long as the baseline is also met. Hence no problem for Apple with MagSafe for example, because their laptops also have USB-C charging.
Stabdards development is very much done to push regulators to adapt new things. The incentive is either to be able to develop new products that give a reason to upgrade, or royalties from the standard, or patent license money.
