The evolution of anything depends on (sometimes unequal parts) emotion and logic.
For many professionals, there is a constant insecurity that someone somewhere is doing it better–faster, smarter, for less money, with better results.
The trouble is that the data for these “other people” that are undoubtedly “doing it better” is usually scant: a compelling video, a bar graph reflecting test scores, a carefully-crafted blog post explaining their success in detail.
That this kind of insecurity is universal should be comforting, but unfortunately it’s not.
See on edudemic.com