Not only does treated wood make it unnecessary to paint a woodie, it also makes it difficult. The salts that are added to the wood in treating make it difficult to get paint to adhere to the wood.
I think it costs too much to keep painting them. That's the most likely reason.
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Oooooh, my freekin' head.... Too many G's Too many G's! No, no, Too much Beer before the G's! Home Park: Knott's Berry Farm
If it's too expensive, why don't they strip the paint off coasters that are already white? Still, I see the point. But damn! I LOVE white coasters!
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Decisions determine destiny; Destiny determines decisions.