Earlier quoted context omitted.
https://www.electrifyamerica.com/locate-charger Some of them are for charging at 350KW, current Tesla Supercharger's top out at 150KW, and the next gen targets 250KW..
Real chargers are always better than vaporware chargers though, regardless of promised numbers. And the number of chargers in the network matters.
Tesla has the biggest single-provider network, but that doesn't really matter.