There are those who do, but it is with risk due to Alclad being a lacquer based product. I guess if you want to spend all that money, time and effort to apply something that hot to bare plastic that could craze or even melt the plastic, go for it.
Me I prefer something else either enamel based. Hence the reason I acquired a company that produced just such a product. Then I went ahead and created an acrylic option too. But that's just my .