The "parking meter" business model is also a valid strategy. My complaint with that business model, if its not apparent enough yet, is not that they are charging more for that business model, but that they aren't being transparent about it and double and triple dipping. If you want to charge $5-$15/hour parking, that's fine, that's a parking fee. Don't call it "electricity fees", because that's not what that is. Also, don't charge me $5-15/hour parking at both the Gate and the Meter (Charger), because that's $10-$30/hour parking and your signs are wrong.
But the further point is that those aren't the only business models. You don't need fast chargers everywhere, because cars spend most of their lives parked and the electric grid is everywhere, if we could just drive enough business models that encourage "slow" chargers everywhere we "win" when it comes to competition. Utilities make great amenities to bundle with other products, services, employment relationships.
Right now too, there's a lot of "worst of both worlds" business models, at least in the US. I've seen grocery stores with both free parking lots and low margin gas pumps, and yet very high electric parking fees. Some of that is simply because the same grocery stores that just spent millions in becoming their own gas stations are outsourcing their chargers to third parties because they don't have to compete on margins yet, and they aren't paying attention to what the chargers are costing, and how it affects the public perception of their overall amenities just yet. I suppose we'll know when electric is finally on their radars when you can use "gas points" for electric rates.
Yeah, yeah...the DC fast chargers though? I saw where somebody said they were charged like $10 for enough electricity to drive less than 20 miles. I don't know if that is really representative, but what feels right to you or anybody in terms of price is even less meaningful than one random data point.
Gas stations can sell gas for minimal cost usually due to having a convenience store with high margins attached. You can charge at home due to having a connection to the grid, a house, and wiring, all of which cost substantial money beyond the per-kwh charge. So regardless of what charging "really" costs, your reasons for why it should be essentially free seem obviously flawed to me.