I'm trans.
Focusing on one thing, such as my gender, is what Nazis like Musk do.
Musk giving a Nazi salute, combined with his rhetoric and pro-Nazi censorship on X, isn't one thing. It's many things that all demonstrate that yes, Musk is actually a hateful and bigoted Nazi. Who won't be happy until folks like me are working in concentration camps waiting to be gassed.
Hi, actually studied business administration. DEI is good for business as it gives diverse perspectives. Allowing a company to better serve a diverse base of customers and to better facilitate global trade in a diverse world.
Which is exactly what Costco stated in their response to their pearl clutching/snowflake shareholders.
Also, you're strawmanning hard in your post. No one is forcing Costco to do DEI. They're choosing to for all the reasons I outlined. Choosing not to is either based on racism/patriarchy or kowtowing to the Nazis who took over the government in hopes to curry favor. It's not based in economic principles or best business practices.