A deposit is not a tax, regardless of your thoughts on the matter. You are welcome to create whatever personal justifications you'd like to alter reality to your beliefs, just remember that reality doesn't give af about what you believe.

Package stores are already obligated to take returns given that a good number of their wares are subject to deposits already. Anyone with passing knowledge is already aware of this, but given your inability to distinguish between a deposit and a tax, your ignorance is understandable. As is your willingness to trample the rights of innocent 3rd parties harmed by the antisocial and illegal behavior at the root of the issue here.

Nevertheless, it's a good thing there are white knights like you around to come to the defense of helpless souls that would be subject to great injustice if they were expected to confirm to basic societal expectations like not throwing shit out of your car window. Seems like he's in the market for a taint-licker, and boy did you come running. I wish you both a happy future.