Do you have a reference for that?
It's not a law, it's a rule for that specific location of the park. If a museum says "no flash photography" in front of an exhibit, that's all they need to put up.
By that argument, anyone could make a fake...
The reason is the same as for the rest of the country...it is not unique to the Metropolitan area, and that is because so many people who fly drones think that their rights are more important than those of others, and are just inconsiderate.
Before DJI finally writes off the US marketplace and withdraws it's drone product lines, what they ought to do (as a parting gift to everyone whose dollars contributed to their meteoric rise) is release one final firmware update for their entire...
LOL, well I grew up in the 50's. A portable phone meant you had an extra long cord on it. TV had 3 channels, all of them black and white (in our house). Westerns, soap operas, talent shows, sport and news and on Saturdays, violent but funny...