It helps to fully understand the drawbacks of what you're advocating in order to have a coherent argument. That's why people have issue with your statement on

It helps to fully understand the drawbacks of what you're advocating in order to have a coherent argument. That's why people have issue with your statement on "easily" swapping hydrogen tanks, as it's anything but "easy". https://www.energy.gov/eere/fuelcells/hydrogen-storage-challenges https://www.energy.gov/eere/fuelcells/hydrogen-storage-chall...