Some of them went from 0 to 60 in the blink of an eye.

If they don’t have any payment info they can’t very well subscribe you to anything.

Good idea.

This is purely my speculation, I don't have data to back this up.

There's an idea that these scammers are just working stiffs trying to make a living. While that is probably true for many, I think there is a sizable percentage who do their job with maliciousness. I think some of them enjoy the idea of scamming people.

If you have ever seen the streamer Kitboga, he plays elaborate, hours-long pranks on scammers. Many of the scammers who call him get pretty vicious when they lose their patience.

Anyway, to answer your question, I think they are caught off-guard when someone answers and is deliberately messing with them. They sense that the tables have turned, and the aggression comes out.

Thank you as well!

In the game Starship Titanic, the game asks you a series of questions at the beginning. The last of them is simply "Fish?" with the only options for answering being yes or no.