What's wrong with that statement? In 1970's, the number of people who dealt with programming was significantly smaller than today. It's a matter of fact. And people who worked with computers back then were highly educated and pioneers of the technology, there was no room for half-hearted effort or "let's copy the first result from stackoverflow.com".
Today, programmers who are meticulous, detail-oriented and who genuinely recognize the problem first are in minority and that's how I read the above.
The author might have stated it abruptly, but it does not mean he's wrong. You're using the "cool little library", yet you have this kind of resentment for the person who made it, have you even tried to look at the situation from their perspective before you passed the judgement?
I'm asking out of curiosity, because I can relate to having to work with under-skilled individuals who spend more time sorting out their CV and online presence than their work.