Factual error: When the air hose on the truck is severed, the brakes release. In reality, on an air-braking system, if the air hose is severed, the brakes lock on as a safety measure.
Factual error: The discharge from an electric eel doesn't make flashes of light or sparks in the water, as shown in this film. (00:30:00)
Factual error: A shotgun cannot make such a large hole in a wooden wall as it does in the bar where Bond meets Pam. A slug would make a single smaller hole, and pellets would make several small holes.
Factual error: Bond has been thrashing for his life in a cloud of powdered cocaine. He should be high as a kite, but shows no signs of being affected by the drugs at all.
Factual error: At the casino in Isthmus City, Bond is asked to cut the deck. He does that physically - splitting the deck in two. No casino in the world allows the players to touch the cards. The cut is made by inserting a plastic card in the relevant place.
Answer: Just why they chose this city is not known. It was probably chosen for an inside reason, i.e. one of the writers or producers was from there, and they wanted to give a nod to their hometown.
raywest ★