Except that it turns out that artists and game programmers are too cheap to pay for tools, even if you can present them with a clear benefit in terms of productivity gain vs. sales price. To make matters worse, big companies that could afford those tools will generally only buy exceptionally well established tools and rebuild the rest from scratch in-house.
The only way to make money with games is to sell games.
The only way to make money with games is to sell games.