Cutthroat is an understatement. He did a lot of illegal stuff in the USA and internationally because governments had no idea how he was exploiting them/breaking commercial law. He also bribed hundreds of governments and stifled innovation. The world would be a better place without him.
There are two types of hydrogen cars: Fuel Cell EVs and ICE built to run with hydrogen fuel. Both of them are the future of fuel. You won’t see a network of EV charging stations in most south american, african, or Asian countries. The EV revolution is very urban focused. Hydrogen as a fuel that can be transported almost as easily as gasoline is the pragmatic future. EVs are popular because Elon Musk went viral.
Edit: totally aware it’s not successful at the moment: https://www.motor1.com/news/693449/toyota-hydrogen-mirai-not-successful/