Sure, it isn't open source in that way. But another important part is that the code is there, relatively freely (depending on license), for others to use as th

Sure, it isn't open source in that way. But another important part is that the code is there, relatively freely (depending on license), for others to use as they will. In the sense that the parent meant his comment, this is the critical component of open source that matters. To put it in classic terms: don't bite the hand that feeds you.