Given a choice between making some profit by selling an unpatented product, and no profit by not selling an unpatented product, the choice is fairly clear.
Or more likely, losing money from R&D funds not being recouped from insufficient sales. Patents are a good idea by creating an incentive to innovate. It's the abuse of the patent system that's stalling creativity, not the system itself.
If you steal from one author it's plagiarism; if you steal from many it's research. -- Wilson Mizner