They have a financial incentive to never delete your data. Storing old data forever creates a perfect paper trail to sell to advertisers and perfect the shadow

They have a financial incentive to never delete your data. Storing old data forever creates a perfect paper trail to sell to advertisers and perfect the shadow profile they keep on all of us. I agree that deleting all your data after a year makes sense practically, but they'll never do it because it makes them too much money to keep it around.