> I guess you also think that Google and Amazon should be manufacturing their own computers then..." ...this is something that somebody might have said sarcasti

> I guess you also think that Google and Amazon should be manufacturing their own computers then..." ...this is something that somebody might have said sarcastically 20 years ago. Well guess what. They are. So, if you don't have the resources of Google or Amazon it may make sense to get your wheels from somebody else, right? It's called specialisation of work.