How Do You Avoid Group Thinking?

A lot of coaches seem to work for people whom they've worked with in the past. So how do you avoid surending yourself by kind of group thinking? Nobody's thinkin ot to try every old thing at so all thik it alike that no ones thinki agot the challenge. And i think that that's where you have to stay on the cutting edge, and you have to be willing to be curious about what's goin ong n the leag. But change nat san okat one year, l fote ball 70 times, the next you i o run at swell at 12.