This would have been a better reply.
“you’re right, and it is rude for me to slander people for just supporting another candidate.”
Thank you for constructing a response for me based on your
assessment of my feelings, opinions, life experience, attitudes and principles but I choose to construct responses without your help.
I happen to be a capable, educated person perfectly capable of constructing sentences that appropriately express all that I intend to express without the assistance of those who pretend to know my intent and who are not capable of such.
Or in an expression you and your so eloquent candidate can understand: STFU
Get it?