Because many platforms might not exist under those conditions.
I think Steve Jobs was initially opposed to allowing third party apps at all. Amazon market place might not exist either. Google, Amazon or Microsoft might not be offering AI services to third parties. There might not be extension APIs for MS Office or Google Docs.
Instead we could be seeing a whole lot more vertical integration and a whole lot less opportunity for small vendors to leverage technology that benefits from economies of scale.
I think it's better to let things evolve and then regulate when problems become obvious. Otherwise everything could be as stagnant as many utilities are today.
I think Steve Jobs was initially opposed to allowing third party apps at all. Amazon market place might not exist either. Google, Amazon or Microsoft might not be offering AI services to third parties. There might not be extension APIs for MS Office or Google Docs.
Instead we could be seeing a whole lot more vertical integration and a whole lot less opportunity for small vendors to leverage technology that benefits from economies of scale.
I think it's better to let things evolve and then regulate when problems become obvious. Otherwise everything could be as stagnant as many utilities are today.