“But they won’t make it in the workplace. Not many businesses can carry extra useless employees in the tech industries. You have to perform.”
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That may, and likely will, change. Private technical businesses may become like what I’ve seen in government “systems” organizations - a minority were competent with many others, to be kind, being “carried”.
That happened in the 90s in the semi industry and only with large companies. They’ve been cleaned out. It was quickly apparent when diversity hires couldn’t perform. Engineers are quick to point it out and complain. No one wanted to deal with the complaints or put up with dead weight.
Note also that the semi industry is one of the few subject to unionization attempts with none successful that I know of in my 30 years. There is too much pressure to perform and keep margins high.
You’ll get the diversity hires in HR for example. But HR is one of those functions that is first to get cut in a downturn. Engineers are kept, especially high performing engineers. I went through many rounds of rifs. That’s especially where the diversity hires got pushed out the door.