Of course.
Though sometimes, it may be more suitable to speak up.
i.e. I could have just gone on a mad flagging rampage, flagging this “witness’” spam comments; however, given that my voting power was low at the time and his rep score was fairly high, it probably wouldn’t have made too much of a dent, he wouldn’t have noticed, and even if he had, I wouldn’t have expected him to get why, to the same degree as though I expressed it directly and clearly. And, it wasn’t entirely to condemn him that was my intention, but perhaps moreso raise awareness to others in the community who are not yet aware that such behavior is not appropriate here, so they can spot it for themselves when encountering in the future, rather than being duped into thinking they just got a genuine compliment.
OR, tombstone could have flagged my post, (and for all I know, maybe he did), but I wouldn’t have noticed - nor would I have understood why. His straightforward sharing of his viewpoint was much more effective - and appreciated, as it brings the counter-perspective out into the open, which is also of benefit to other members who may end up reading, providing them a broader spectrum of opinions on the matter.