Wow, the author is not exaggerating when saying it is a scam. Looking at the .feedback page for Stack Overflow, it says at the top, in fairly large letters "We make Stack Overflow, where the world's developers get answers, share knowledge & find jobs they love. Also proud builders of the @stackexchange Q&A network." Then at the absolute bottom, in small, washed out print it says "Disclaimer: This site is provided to…
Consumers will eventually learn, as they always do. Try to educate anyone you meet that brings up .feedback. If anyone on social media talks about it, link them this article.
If that were really true, the BBB might have gone under years ago, and the Nigerians might stop asking for help in transferring great wealth.
There is no shortage of suckers in the world - as the old saying goes, there's one born every minute.