Mimicking the herd invites regression to the mean.
We don't like trading agony for money
The more hard lessons you can learn vicariously rather than through your own hard experience, the better.
Invert, always invert.
In Gillette's case, they keep surfing along new technology which is fairly simple by the standards of microchips. But it's hard for competitors to do. So they've been able to stay constantly near the edge of improvements in shaving.
Knowing what you don't know is more useful than being brilliant.