As a selt-taught developer, I know what Big O notation is and I've worked with many CS grads (including Stanford) who did not take into consideration algorithmic efficiency.
I think these kinds of examples are very anecdotal.
The bigger point is that it's almost all anecdotal - the number of people in this field is too broad and varied to be able to draw any substantial conclusions about anything, imo.
I think these kinds of examples are very anecdotal.