Wow, that's horrible.
I really want them to phone me now, I'd happily play dumb for a very long time just to wind them up. Scumbags.
This is the kind of stupid stuff my grandma kept falling for before she got put in a home. She got conned out of 3,000 pounds by one of those timeshare scams, luckily we managed to get her money back after much trouble.
I don't know how these people can sleep at night !