Arithmetic is a matter of perspective too ... 10 + 10 = 100 (in binary).
"These conventions are not fiction, for they are based on fact." ... the Bible was written by Jews, and that is a fact. So the Bible is also baed on a fact. It is true that the British and Japanese convention of driving on the left hand side of the road is "sinister" ... because that is the Latin word for "left hand". The rest of us are "dexter" ... who is a boy genius with a sister named Didi.