Reason why is that I want to see how good they'll turn out. If I put them back together and I'm happy with the result, I'll invest in the more expensive ones, but for now it's a good way of seeing how it'll look. The Matt paint will be fine, I've used the same in engine bays without a problem, and the lacquer was just ordinary lacquer from a car shop
I've got a heat gun to do the lights, but like I said they're the older lights so they won't need much heating up.