There are, on rare occasion, questions where a simple, concise answer, with a link, is entirely appropriate.  However, these are rarely *good* questions, and just because a short answer is the appropriate one does not mean it is good content.

I absolutely agree that most copy & paste one-line answers should be downvoted. 

I'm not, however, certain that I consider that Bichon Frise answer to be short enough to merit a downvote.  This is just my personal preference, but I feel the answer is complete enough that I won't downvote it, yet brief enough that I won't upvote it.

Personally, I think it is sufficient to refrain from upvoting most answers that are particularly brief, but at some point there **is** a subjective line where these answers become poor enough to merit a downvote.

Answers that are thorough should be our goal.  Answers that provide the minimum information necessary to address the question should not be encouraged.