Honestly I think the federal government should step in and mandate a standard. It's not really any different than going to a gas station and knowing that the premium gas at the shell station is the same premium gas I'm going to get at Chevron. They'll both work for my car.

Any EV should be able to charge at any EV charging station full stop. If we don't mandate a solution, then we'll end up with the equivalent of only being able to put Toyota gas in a Prius, Honda gas in a Civic, Ford gas in an F-150, etc.