I wouldn't catogorize this a FUD. FUD according to me are attacks from outside the crypto sphere, trying to undermine it with false information.
This is, like you wrote, a warning from somebody who wants to make things better.
For such reason I did stop posting on bitcointalk. Every question about a coins could be interpreted as FUD, trying to undermine the business case and so on, while I sometimes want a clear image of the coin I am willing to invest in!