Because I slavishly follow the western rules and read from left to right.
Anyway reading "?printed are they order the in question this of the words read just you did why" makes no sense at all.
And the words in the question are too different in length to be read vertically up or down. (are Why of printed did this printed. you question just question read in read the words order the they
But it does make the question more interesting :-))
. 