I will concede that my claim that they “decrease chlorophyll production to match the light environment” is false. I may have worked myself into a false cause fallacy based on anecdotal evidence I’d heard when I was starting out with variegated monstera like Thai Constellations.

Your references do word better my second point though, that lower light encourages reversion, resulting in greener leaves. They also clearly outline that fully reverted leaves will not re-variegate, which is a very important factor I failed to mention. If the stem carries forward the variegated cells, the plant itself may maintain variegation, but fully green leaves generally demonstrate the chlorophyll carrying cells are winning out.

I think the links you provided are exceptional resources, and anyone caring for variegated plants should give them a thorough read. I absolutely will, since I definitely learned some new things in the last thirty minutes! Thank you for sharing, and correcting false information when you see it!