alt Hacker NewsI've also experienced this, to an extent, but on qualitative topics the goodness of an answer - beyond basic requirements like being parseable and then plausible - is difficult to evaluate.
They can certainly produce good-sounding answers, but as to the goodness of the advice they contain, YMMV.
I've certainly got useful and verifiable answers. If you're not sure about something you can always ask it to justify it and then see if the arguments make sense.