Or cars and airbags being tested on male dummies for the longest time, resulting in women (who are shorter and weigh less) getting seriously injured/killed at higher rates in accidents: https://www.bloomberg.com/view/articles/2012-08-22/why-carma...

> In some cases, according to tests with female mannequins, small women were almost three times as likely as their average male counterparts to be seriously injured or killed. A study of actual crashes by the University of Virginia’s Center for Applied Biomechanics found that women wearing seatbelts were 47 percent more likely to be seriously injured than males in similar accidents.