Good for the short term, bad for the long term.
Yes, we all would like USB-C, but when it's successor comes out, adoption will be slow because of all the government red tape put in place.
That's a good point and if you're forced to use a single connector you can't really introduce a new one, unless you put two connectors on a device to be compatible with the mandatory one, very unlikely on products like smartphones.
At least Qi is a standard, they could ask manufacturers to provide at least one standard charging method, so if you have Qi you can have a different port and if you have USB-C you can ship a product without Qi.