Question:
I myself nearly had the same idea.

Does it follow that "I didn't have any thoughts. "?
Answer:
no

Question:
that's exactly right they can just watch it

Does it follow that "That's correct, they should join in, instead of just watching."?
Answer:
no

Question:
small island

Does it follow that "The island is only one square mile."?
Answer:
it is not possible to tell

Question:
People who might have spent their day controlling precision systems to turn out cars, cameras, or computer chips sit glassy-eyed and transfixed in front of a pachinko pinball machine, doing nothing but watching hundreds of little metal balls going nowhere.

Does it follow that "Pachinko pinball is a relaxing past time that many people do after work."?
Answer:
it is not possible to tell