There's no way Tesco have sold on your data like that. It's possible, but unlikely, a rogue employee has sold it.
What bugs me is that recently I conceded and got one of these for a beer deal . Since that day I have had dozens of scam emails , scam texts , scam phone calls . They have sold on my data , or its one huge coincidence. I used to get zero scams now it’s a weekly occurrence.
Thai cooking? Satay sauce uses peanut butter
I think its quite ingenious to get people to sign up and gather customer data. If you don't want to be a clubcard customer then like any club you don't get the offer. I'm no celebrity, who cares if Tesco knows about my buying patterns. In fact, I'm happy they send me offers on the things I usually buy then random things I don't. It's a win win for me. Just shop at another supermarket if you don't like it and think it's normal deal. Don't complain!
The massive crunchy aldi peanut butter tubs taste great if anyone is looking for larger portions