Now you need bigger charging stations because people are spending longer at the pump or else you'll have longer lines. Adding to that, I sure as hell am not spending half an hour at a pump on an already long road trip.
The lack of population density in the US, especially in the middle of the country, makes electric vehicles not a great choice for many people. I'm guessing this is why we see higher adoption in Europe on a consumer and infrastructure level.
As for taking 30 minutes to charge, what people usually do is to make sure their charging stops line up with food/bathroom breaks. Realistically, if I drive 10-12 hours in a day, I would stop about 3-4 times for food/bathroom breaks, if not more. This lines up perfectly with the range in my Model 3 AWD. In many cases, I have ended up having to get up and go get my car to avoid idle-rates because it finished charging while we were still eating.
On these trips, I usually pick a hotel/B&B with destination charging so that I can get going in the morning the next day with a full battery.
Yes, filling up gasoline delivers energy at an insanely high rate due to its density but the vast majority of that is wasted and not converted to miles driven.
The real comparison is miles of range delivered per minute of fueling. And a Tesla supercharger is already competitive with gasoline by this metric. If hydrogen takes longer than gas to fill up a tank for a similar range then its already behind just charging directly.
Even with "version 2" superchargers, this is not true. With 250kW (v3) charging, you can get to a sufficiently high state of charge (>80%) in under 30 minutes. And the thing is, given how efficient an EV is, you don't need 2700 mega-joules (20 gallons of gas or 750 kWh) to go ~500 miles. The Cybertruck will do that range to with ~100-150 kWh of battery and charge up in under an hour. This will probably get faster over the coming year as charging rates go up.
And like another comment pointed out, majority of charging happens overnight or during the day when the car sits idle. I own a Model 3 myself and I have not been to a supercharger in several months.