It's pretty easy to make it like you said. But it also pretty easy to make it in a way when some companies would have a preference. Second would be more profit

It's pretty easy to make it like you said. But it also pretty easy to make it in a way when some companies would have a preference. Second would be more profitable for the owners of that db, so there is a motivation to do it in that way. In many of the countries outside of US/EU it's a popular practice.