The port itself should have a positive locking feature. As for the rest, there are two many standards for high-power delivery. Perhaps it would have made sense to put a dedicated pair of 12-volt pins on it, and be done. I understand that USB is a high speed port, but, the cables don't seem to last any longer than MicroUSB.
You can't fight the minimal rolling resistance of railways, so they are a backbone of heavy industry. Railways do not need rubber tires, and so, don't leave a stream of butadiene rubber everywhere.
When Europe had a gas shortage because of Russia, suddenly, natural gas was he devil. Here in California, Pacific Gas & Explosion cannot seem to handle gas, or electricity without killing people.
Radiation is an issue because--you can only get so far from something while still being connected to it, and lead and other high density shielding in space is an issue. It takes at least 5 feet of water or 8 feet of magnetite concrete to shield a reactor.
There also is an issue whereas radiation causes molecular dislocations which cause embrittlement cracks in metals. Unlike Wigner effects the carbon in reactors, you just can't run a bake cycle during the flight to fix it. Metal cracks would be a problem with any spacecraft as they are build down to the gram, and have to endure temperature exteams.
Perhaps the people who want to nuclear everything could donate some money to clean up after the last people who did.
EV's like the Tesla are not that green. The power has to come from somewhere. If on Tesla Plaid owner leaves their car home--750 ebikes could be powered.