Yes. They take potshots against the keeper who is noted for being a fantastic shot stopper.
Not really a very meaningful statistic, since I'd bet that teams are more likely to take potshots against De Gea.
Lloris and Friedal are in the bottom ten in Europe for save success rate. De Gea is number 3.
De Gea just isn't good enough for a team as good as Utd and he's nothing more than a decent shot stopper. Begovic, Cech, Lloris and Friedel much better goalkeepers.