Just part of the never-ending Facebook-ification of the internet. Not a fan of the "point" system that it seems to be tied to, but if "liking" a post will cut down on the "THIS" and "+1" madness, I consider it to be the far lesser of two evils.Personally not into the 'liking' of posts. Often becomes a popularity contest, and subconsciously has folks to some degree seeking other's approval posting their thoughts (not me).
If you think this is bad, you should have been around for the "Rep" system.