If you donate to the WWF, you can't demand they give you a stuffed animal and sue them if they fail to. Yes, you can respond to a gift with a gift - that doesn'

If you donate to the WWF, you can't demand they give you a stuffed animal and sue them if they fail to. Yes, you can respond to a gift with a gift - that doesn't make it a sale. Taxes are taking wealth for government functions, whether it's against an individual, a company, etc. When you buy a pack of cigarettes (in the US) you're being taxed - the same goes for gasoline. Overcharging for the vaccine intentionally and using that to give out free vaccine doses is by definition a tax, in the same way that any consumption tax is a tax.