How is that more uncertain than anything in business? How many will my product sell? How fast? What's going to happen to materials prices? What are my competito

How is that more uncertain than anything in business? How many will my product sell? How fast? What's going to happen to materials prices? What are my competitors going to do? By that logic the market couldn't work for 98% of products. Legal action I'd suggest is certainly no harder to predict than that and probably easier.