This is poor advice. A lot of the time these can be used to reset your password, so you've compromised the security of your (hopefully much more intelligently)

This is poor advice. A lot of the time these can be used to reset your password, so you've compromised the security of your (hopefully much more intelligently) chosen password. In addition, if a breach ever leaks or a phishing attempt ever intercepts your security question answers, you expose all your accounts to takeover.