probably because of infrastructure. electric charging stations were one of the first around and if you ask a new car buyer to choose between two renewable fuel sources, they’ll chose the one with the most stations. In the US at lease, hydrogen stations have always been few and far between, and often quite pricey.
Americans usually label the small crunchy ones as pretzels and the big real ones as “soft pretzels” when the former is (apparently) an abomination