Yes, he did say that WD-40 can remove the oils that are naturally in the rings. He then made a claim that the light oil in WD-40 would replace the oil that was removed, but that is a highly debatable issue.WD-40 Marketing Specialist said:It is possible that if there was a special lubricant in the o-rings, the WD-40 could act as a cleaner and remove that oil. The special lubricant would be replaced with WD-40, which is a light lubricating oil.
Using the term "would" instead of a "will", is delving into Clintonspeak.
It works great for displacing water. For lubricating chains and fortifying o-rings, it does not.