22/7 is misleading, in that people often think it's an exact value.
Who says Pi or 22/7 don't have an exact values? 22/7 is mileading because it's a rational number while Pi is not.
It is illegal for US companies to pay bribes abroad.
I wasn't aware that it was O.K. for US companies to be involved in bribery locally.
That observation never quite sat with me though. It works for an ant - incapable of reason, but swap out the situation for a PERSON sitting on another circular surface (like, say, a planet), and we have figured out quite readily that our surface is unending but finite - it's obvious - go in another direction and you end up circling back.
The analogy has nothing to do with the intelligence of the creatures. I agree that ants on a balloon are no different than humans on Earth, so the appropriate analogy will involve imaginary two-dimensional creatures on the two-dimensional surface of the balloon (similar to three-dimensional humans roaming about in a universe with three spatial dimensions). You should consider the surface as it is and not as being embedded in a higher-dimension space, i.e. you should neither consider the volume occupied by the balloon nor the space surrounding it.