One of the easiest ways to solve your problems is to look at how others have solved a similar problem. So, in this regard, we are using the same thinking of others.
But, to the extent that I cannot solve MY problem with the same thinking I used when I created it, you're right. We need the fresh air that comes from others to see things in other ways.
As members of a minority, one that was often persecuted, that entrepreneurial perspective was burnished with a sense of "outsider" status - so not only were we committed to finding our own way of achieving success, we also grew up to believe that we'd have to fight to get whatever we wanted.