it sounds weird but I can kinda see that working
For him it's just an automatic "rice = add soy sauce"
He's the type who doesn't taste his food before adding a bunch of salt
Also he had this thing where we gets upset if someone cooks fresh corn because "corn is bad for you and has no nutritional value" and then goes off and eats all his corn chips and corn syrup sweetened beverages and foods and things thickened with corn starch and all sorts of 'corn this' and 'corn that' processed foods