MONK #1: because whos to say that God might not also dislike it if we were to draw a tower so big it could reach Heaven
MONK #2: gosh thats a good point
he might not like that at all
There's always something at least a little arbitrary or haphazard about mythological hybrids – what is a catoblepas doing (a buffalo with the head of a pig) that either a buffalo or a pig