It'll probably trend like WiFi did. Initially it was seen as a luxury to draw people in. Nowadays people get pissed if you don't have it.

I doubt we will have dedicated "gas" stations for electricity in the future. Most car parking spaces will come equipped instead.

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It’s not like they all need to be fully functional at the same time. I could see it being only a few are active at a time and it rotates the load as vehicles fill or leave.

Supply is well matched with current demand.

The Tesla "charging station" I've personally been to was a few chargers on the edge of a supermarket parking lot (I live in rural-ish Michigan).