We tend to underestimate the fortune component of success when we succeed. And other aspects, like ruthlessness. Also, having a self satisfaction in the wise (b

We tend to underestimate the fortune component of success when we succeed. And other aspects, like ruthlessness. Also, having a self satisfaction in the wise (but cautious, or even silent) past forecasting of success for those that coincidentally succeeded eventually (forgetting the others we were wrong about). We seen good and promising products targetting growing markets fail while competing half crap craps sell wild with the broad public and win, go large.