You’re not paying, you’re clicking a button to have Amazon give $5 of their money to the driver.
They could have just given a bunch of drivers $5, but then they wouldn’t make a bunch of customers think Amazon isn’t too bad.
So you should push the button, but also pointedly continue to think badly of Amazon.
Why would they do it if they can have you do it?
You’re not paying, you’re clicking a button to have Amazon give $5 of their money to the driver.
They could have just given a bunch of drivers $5, but then they wouldn’t make a bunch of customers think Amazon isn’t too bad.
So you should push the button, but also pointedly continue to think badly of Amazon.