Wow. That's alarming!
One found in that page posted this in response to the article:
"CMS and forum software tend to migrate to Question-Answer based model. It's much better, because Indian captcha solvers can only crack English and Indian languages, so replacing captcha with your local language question results in 0 spam.
If you're (out of luck) operating English language site, try to create some specifically tailored question or group of questions that could be answered by your visitors, but not by Indian guys
"