[leviathant]

No one's saying that simple comments aren't allowed, but I'm not sure that your simple comment contributes much to the conversation. Maybe if you explained why you thought that you think that Facebook is beginning to worry about serious competition, you wouldn't get a reply asking what you meant by your otherwise simple comment.

When someone nitpicks at a tiny element of a larger post, that's pedantic. When all you posted was something tiny, however, you're inviting further inquiry by being unspecific and vague.

[afterburner]

The low karma he would supposedly get from simple comments should be feedback enough.