I'd rather think it is the opposite - that generally people will pay for fixing defects unless it can be proven that it was sold in an intentionally misleading

I'd rather think it is the opposite - that generally people will pay for fixing defects unless it can be proven that it was sold in an intentionally misleading way. "Oops, did that airport take three times the money compared to expectations to build? Time to pony up more or end up with a half built airport".