Gas stations depend on cycling people through quickly during rush hour. A half dozen people sitting around for half an hour at a time won't spend enough to make up the difference in volume of traffic a normal station gets, and they don't typically devote space for lounges or other amenities unless they're nice long haul truck stops.
The model doesn't have to be like for like though. Set up a restaurant instead of a convenience store (think American diner style) and offer a discount on your charge for every $10 spent, or a similar integration.
Now you have a reason for someone to sit and spend money, and likely enough as EVs hit critical mass to justify costs. There are things to work out on speed of food vs charging times, potentially a queue and valet setup - but napkin maths it seems viable.