I read a bunch of blogs, and Evolving Excellence is consistently good. I was struck by this post, Homozygosity – That's The Problem!. I had never heard of homozygosity before, so I looked it up. According to Merriam-Webster, it's
having the two genes at corresponding loci on homologous chromosomes identical for one or more loci
The result: you get enough people (in this case) who think alike and get them to work together, they inbreed their thinking. That leads to
There is an old saying that ‘great minds think alike'. Probably, but I've noticed that morons think alike too.
I laughed out loud at that one.
But Bill is right. It's too easy if you have insufficient diversity to achieve group-think without meaning to. If you're hiring for problem-solving skills, which is what we do in high tech, you want diversity of all kinds: personality, schooling, race, culture, to name just a few. Insufficient diversity leads to an inability to generate other and different solutions.
Think about what diversity might mean for your group and how you can find it.