Good point... I never really thought about the actual differences in gameplay. It is even simpler when some say they don't play with call shot... I wonder when ot became the most well-known game though. The 8 ball is just so fascinating, maybe.
This probably sounds stupid, but I have never played on nor seen a coin-operated table before... So I have no idea how that works. I have only played at billiard/pool hall, someone's house, or an arcade, and even at an arcade where there happen to be tables, you just give them an ID and they give you the balls and chalk.
Just curious; where are you from?