If every soda company knew the ingredients to make Coca-Cola, don't you think there would a flood of new versions of sodas that mimicked Coca-Cola? If every car company knew who to make Tesla vehicles, wouldn't it be logical to assume that they would all make "Tesla-lites"? If every manufacturing process was the same because every process was optimized, would there be any differentiation between certain products?
The gist of what we are getting at here is that trade secrets and valuable information that companies safeguard are integral to the competitive nature of business, and they are what allow businesses to pursue greatness in the marketplace. To a very real degree, trade secrete and intellectual property not only protect businesses, they force other businesses to strive for greatness -- which can only benefit the consumer.