At the beginning of the article, Guy says "And this is a table I want you to make by cutting up the board with the saw. I'm going to paint squares on it."
I'm one of those small sculptors in this space, and I chuckled at the comparison to a Meth lab. Honestly though, my own printer is more like a grow-op. It's all contained in a half size grow tent in order to contain the mess, and easily vent the vapors. It definitely looks sus, and I'm probably on a watchlist for all the gear I've bought.