I tried to get ChatGPT to explain it to me, and look: first try, it gives me exact preparation steps for the "purple fingers" chemical, and lists warning after warning along the way ... for good reason.

The origin of scientific management was fraud.

Frederick Winslow Taylor was a fraud, he falsified data. He didn't care, published books on it. And, the people who taught his theories knew he did that.

archive.ph/c4ETs

And yes, this "detail" keeps getting erased from Wikipedia. See the history.