Factual error: When Robocop flies through the window of the top floor of the OCP building, the Rehab leader's hair blows around. Being that high up, that is absolutely correct. But after the ninjas appear, there is no longer any wind and no one's hair moves. "Robocop 2" tells us that the OCP skyscraper is sixty stories high. There would be a constant "breeze" with the window busted open.
Factual error: When Robocop first flies into the the battle at the end of the movie, the whine from his jetpack causes the glass in some windows to blow outwards. Considering the sound waves are hitting the glass from the outside of the windows, they should be blown inwards not outwards.