This is about distribution. Toyotas are sold through dealers. Dealers make little money on selling cars and lots of money fixing them. The Prius appeals to eco concious drivers (who don’t mind that their car drives like a dishwasher) but also appeals to dealers because it needs oil changes, radiator flushed, and frequent brake changes. Full EVs require almost no maintenance so Toyota dealers lack any incentive to market them. Hydrogen has always been a fake out; never remotely close to a viable alternative yet marketed as something amazing coming soon (so don’t buy a Tesla!).