What credibility is the author losing? Credibility as a programmer? Credibility as someone who can speak to you personally?
How are phrases like "manned up" or "pussied out" harmful to "our industry"? I guess I'm living under a rock, because I had no idea that we were destroying the future of programming by using words that aren't on your approved list.
Your post has absolutely nothing to do with the content, the author, or the author's intentions. It has everything to do with your own insecurities. I sincerely hope that your post was actually sarcastic and I've simply jumped to conclusions here.
I truly hate this zero-tolerance generation (my own generation), and I have never met a man I respected that didn't curse.