The last time that babies knew a sterile environment was almost certainly in the womb.
Bacteria is about 99% benevolent, so naturally we use anti bacterial soaps in order to kill 99% of all bacteria.
“🙄 The baby I mentioned earlier that was fed homemade formula survived and thrived and is now about 6’ 3” or so.”
But the real test is brain development....does he vote Democrat? ;)