1
They can tweak the baseballs in ways that are subtle and invisible to the fan. This approach has to be part of the evaluation. Good stuff shawk.
That said, if the problem is a Ping-Pong Machine updraft off the ocean, then addressing that airflow (with the roof) has got to be the most integral and natural redress.
We're not going to buy any claims that they anticipated the airflow problem when they designed the park, so it's on them to fix unforseen potholes... if this requires less-than-appealing solutions, that is life in the big city... you buy a house, you gotta deal with the water runoff into the neighbor's yard...