I think the most brilliant about this observation is that this is the NEW trend. I am sure that a couple of centuries or even decades away people have been indeed very well motivated by profit only. Now, as a clear advancement of mankind we can see the new motivation, the advanced motivation.
Let me back it up with one fo the most brilliant TED videos – “How great leaders inspire for action”, I guess it is nearly same idea, but from another view-point…
We live in a very interesting time when we can observe the transformation of the whole humanity at the highest speed!