Quotes can be used for different purposes. I suspect that you can use a quote in a civil, constructive way as an example, though it might just be better to find

Quotes can be used for different purposes. I suspect that you can use a quote in a civil, constructive way as an example, though it might just be better to find a reference to point to. In the case you're referring to here, the commenter was intentionally bringing up an inflammatory quote to discredit the parent comment, taking the thread completely off track from what had been a relatively civil discussion, which is what the mod pointed out (as did other commenters in the thread).