What doesn't kill you makes you stronger.
And those extra bits you turn your nose up at are extra protein sources, Lethal.
Protecting your kids from this sort of thing actually weakens their immune systems and exposes them to attack from outside pathogens.
Why do you think babies eat dirt? Why do they put everything they come across in their mouths?
It's called self-innoculation.
Wrap your kids in saren wrap, if you will, and then watch them catch every airborne bug going around.
Oh, and saren wrap actually transfers carcinogens to protein foods like cheese and meat products.
Did your parents' supposedly try and kill you with their lack of hygiene?
Apparently not.