They say the data is not retained but I've got multiple deposits in my PayPal from other companies that said the same.
But yes, it's also just not that hard to get into the games. They have actually upgraded the security scanners so you can avoid the bag checks now too. Which also might violate your privacy, but is more convenient. Same goes for CLEAR which I do have, and which a number of sports venues use. That was a trade-off I was willing to make for certain airports specifically so for me it's too bad they don't have the MLB contract.