If you think that suggestion is good, write WHY you think like that. Same when you think that it's crappy.
Reading "+1, -1, I agree, I don't agree, yes, no, must-have, please" is just a waste of time for me because it's not backed up with any opinion.
If an idea is good, it will defend itself without a dozen of people spamming +1 under it.
Again: If you don't have anything interesting to post, then please do not post.