Yeah I agree with what you say (especially your last part), that its use is likely to be much more for some industries than others; for eg. for Battery EVs part

Yeah I agree with what you say (especially your last part), that its use is likely to be much more for some industries than others; for eg. for Battery EVs particularly outside North America iirc a much smaller battery can do 95% of trips, so hydrogen makes very little sense for a family car. Though the person I was replying to was more pessimistic in general.