human mind is emotional , to satisfy we need a relation ship that may take father, mother, brother,sister, friend,or owner,in any manner the relation come in to picture no body can all of a sudden enter in to relation with formless supreme, so as a means the idols are broght in and worshipped
it is nice that you have a nearest approach to logic, logic is fine if it is supported by sruthi(i.e.,)sruthi sammada tharka,but it goes astray if it is dushtharka, to understand ourself first one is definitely necessary, which
convinces the intellect which is overpowerd by avidhya(individual ignorance)