Amen to that. Restoration of the gut microbiome is key to life-long health, starting with infancy, where colonization by the "right" beneficial bacteria is really important.

Infact, milk does a remarkable job with that. One example: diverse group of complex oligosaccharides present in milk and reaching the colon intact serve as food for the beneficial bacteria, allowing them to dominate the infant gut and present a wide array of benefits.