Telesales people have a script, a flow chart which they work through - now you can deal with them with your own script, designed to let you take control of the conversation from the first hello to the end when you thank them for their time and hang up. Genius.
When celebrities go off the rails, they can get arrested and then they have their photos taken without the advantage of makeup, airbrushing or photoshop. See the mugshots of the famous.