- Different people from different viewpoints are almost invariably GOOD for an organization. Those that don't have diversity tend to wither and die due to stagnation.
How about I just give you a solid argument because you surely realize that the statement "Different people from different viewpoints are almost invariably GOOD for an organization" is fundamentally hard to test.
A predominately male workplace will tend to breed a culture with misogynistic behaviours, Uber is a great example of this.
An organization where certain groups are under-represented will tend to do things that offend or otherwise harm those groups because there's no one internally to advocate for those groups.
An non-diverse organization will create a culture where people aren't aware they are offensive, where they get in a habit of making offensive jokes because there's no representatives of that group around to be offended. This is really bad when your organization has to deal with another organization and all your people come off looking like assholes.
People with diverse life-experience tend to have diverse skill-sets, the more diverse your organization the more likely you are to have people qualified to deal with unusual situations you experience. People working with different prior experience means you're also more likely to get a bigger set of potential solutions when trying to solve problems.