Klarna wants to be Facebook of payment. When I buy and pay with Klarna, they get the list of items and on Klarna's app and homepage I see pictures of whatever i

Klarna wants to be Facebook of payment. When I buy and pay with Klarna, they get the list of items and on Klarna's app and homepage I see pictures of whatever it is I bought. I'm not sure what to think about this. My first thought is "Is this really legal?".