You don't seem to be across what's happening in Europe. All of the companies you mentioned are invested in Ionity which provides 350 kW chargers at over 400 locations:
Europe has standardized on CCS Type 2 Combo for charging. Any CCS EV can charge on any CCS charging network. Teslas can charge on Ionity, BMWs can charge on Tesla chargers, charging networks like FastNed, BP, GridServe, EnBW, Circle K and friends can charge all brands, etc.: