I don’t need a reason to not be bothered at my home, other than being at my home.
I have a side window and just glare at them and shake my head “no” disappointingly. I don’t give them the satisfaction of opening the door.
The ring doorbell sounds neat, but I think it’s easier to ignore then a human.
I would also follow up with a 1 star review of their company if they behaved that way at my house. And probably shame them on our neighborhood social media pages. With video from my ring doorbell. (I don’t have one, but you do.)