Surely people are buying EVs because of the massive savings on gas....

I'm explicitly not buying an EV yet because there are no massive savings on gas where I am for the amount I drive. My current car cost like $12k used, and at the time a comparable electric used car would have been like $23k (and would have had like a 80-100 mile range, which I would have been fine with). But we spend like an average of $400/yr on gas and $75/yr on oil changes and extra maintenance above what an EV needs, so we'd be looking at 10++ years of difference to break. Even assuming free electricity and no higher licensing fees (which combined would be more like $200/yr). So actually more like 20++ years to break even there (which is basically not happening).

If I lived in an area where gas cost $20/gallon instead of $4/gallon, then it would change the math a little - it would be a net of more like $1300/yr, and I might actually spend less on an EV in the long run (7 years to break even, assuming 0 opportunity cost on the $9k).

If I spent $20/gallon on gas and also drove 12k miles / yr instead of 3k miles / yr, then it becomes a much better proposition.

I don't think EVs make sense yet for saving money unless you drive a lot; e.g. are doing Uber, and even then a Prius might make more sense. I bought mine for fun driving, they just simply drive better than ICEs, but it wasn't a financially beneficial decision.

The massive savings aren't always massive. If you use fast chargers frequently, it's going to cost you. In contrast if you use a slow charger regularly at home, then you'll save money. But that's not really an option for road trips.