My thanks to Arius De winter and others for their inspiration.
At one time all learning was conveyed by symbol. i.e. the square Morality the Level equality and the Plumb uprightness of life and action
The object of legends is not to establish historical fact but to convey philosophical (consonant with, showing, philosophy) doctrines (what is taught, religious etc belief, dogma, or tenant)
They are a method by which esoteric ( meant for, intelligible to, initiates only) instruction is communicated. One has to accept them for their positive use and meaning of developing Masonic Dogma.
Take, for instance, the Hiramic legend of the third degree. How important is to know if it is true or false.