That depends on the supply and demand ratios of wood and chairs. A chair isn't intrinsicly worth more than wood, and by making chairs you dilute the value of c

That depends on the supply and demand ratios of wood and chairs. A chair isn't intrinsicly worth more than wood, and by making chairs you dilute the value of chairs. If I make a trillion chairs, I'll have to drop the price of them to sell them, and the bottom will fall out of the chair market. Meanwhile, wood will become scarce and the price of that will go up. You'll probably even end up with an industry of people dismantling chairs into wood for use in other purposes. So it's not a simple as "creating wealth" at all.