The second wing would need a lot more incidence than that, due to the induced downwash from the first wing.
When the third wing, as an elevator on takeoff, pushes down to try to raise the nose, (which is well ahead of the main landing gear), the extra force on the MLG must be a doozy.
Put little wheels on the bottom of the down-turned wingtips, and it can help the X-wind landings, until they hit the ILS boxes and the raised taxiway lights and get bogged in the wet grass.
Lovely smooth clean airflow for the top engine at high AoA, too. Photoshop dreamer.