Here’s an example of a benefit of diversity from 100 years ago.
When Kotex was first marketed, the biggest problem was how to advertise and sell it. Women’s magazines refused to run ads that would scandalize the poor women in their audience. Need I mention that the publishers of these magazines were all men?
The executives of Kimberly Clark and their ad exec (the guy who invented Smoky Bear) met with the publisher of Ladies Home Journal, I think, and got the negative response. The ad exec thought to have the publisher bring in his secretary. She was sjhown the ad, thought it was great, and the guy finally decided it would not be too shocking to the ladies to run after all.
If they still had male secretaries, the ad would never have run.