How does Glycol anti freeze in motor oils damage the engine over time?

In order to understand how Glycol anti freeze in motor oils damages the engine we need to look at what happens when the engine coolant mixes with the oil.

This is not the daily occurance of moisture build up and evaporation that occurs due to the engine warming up and cooling down: We’re talking about substantial contamination over a relatively short time. Not only of water, but several other additives that were never intended to lubricate.