No we don't need a 'Like' button; that's what words are for. Like buttons stifle communication and breed laziness. Not to mention, Facebook almost certainly has a patent on it disallowing such use on other sites. If you like someone's post, why not join in the conversation and express your own point of view and how it aligns with someone else?
RATCHX3 High Jinks vom Neuanfang - Gotchya Day: 1/23/2013 DN, SG, SR, CA
Inspire Spark to Ignition! (Ignite) Gotchya Day: 10/8/2016
C-ATCH Pimg - RATO, UJJ (x2), DJX, HIT, CA, CGC, High in Games, Reserve High in Standard- CPE Nationals 2014