A while ago, some people liked to have their "fun" with the scammers. They made videos to show on the internet, in which they pretended to be very confused, ignorant old people who couldn't quite understand what the scammer was trying to get out of them. "Just a minute, I've got that number in another room," then taking 15 minutes to get back, etc.
I kept watching one of those videos, because for a while it was kind of fun. Finally, the scammer caught on that his time was being wasted, and his whole "sweet" demeanor changed. He showed himself to be the gangster he was. He started screaming obscenities to the guy who was having fun recording him, and was clearly furious. The guy then hung up, and laughingly told his audience how much fun it was. But just listening to that furious ranting coming from the other end was enough to convince me that these scammers are dead serious about trying to cheat other people, lots of them very elderly, out of their last dollar. There is nothing funny about them, and playing games with them could be dangerous.