About 30% in Europe/US; half that in China.

Electricity consumption drops sharply during the night - when wind power typically peaks. There are power companies that offer substantially cheaper rates at night for charging EVs for this very reason.

“Most BEVs are charged over night, where only Hydro or Geothermal makes power”

Maybe in Iceland; anywhere with wind and nuclear power, this really is not the case.

They do. Someone with a salary of €400,000 would take home approximately €242,000 after income tax.

Up to €10,777: 0% tax rate
From €10,778 to €27,478: 11% tax rate
From €27,479 to €78,570: 30% tax rate
From €78,571 to €168,994: 41% tax rate
More than €168,994: 45% tax rate

According to The EIU, the cost of living in Paris is similar to San Francisco.