Obviously this one is a bit different. It encourages what’s sometimes called vending machine faith: give God something (a public declaration of your love for him), and he will reward you with something that you want. However, God never promised us this. In fact Jesus said that following him would make our lives more difficult, not less (John 15:18-21). What God did promise is that after this life is over we would find blessings in heaven if we followed him (but that’s another conversation).
The reason I have such a problem with all of these “Like if you believe in God” posts is that underneath they enforce the same thing. I read them more as “Like this or you don’t really believe in God,” “Like this and God will bless you,” and “I’m going to guilt you into liking this so I can get as many likes on my post as possible.” The problem is it’s not faith. Standing in a garage doesn’t make you a car, sitting in Church doesn’t make you a Christian, and sharing these posts doesn’t make you a Christian either.
Faith is action. Faith is showing God’s love to others and sharing his word in everything we do. Sorry to disappoint, but posts like those above feel more like a guilt trip than God’s love being shared. If we are sharing these because we’re scared of denying Christ or because we want God to bless us, then I think we’ve missed the entire point of Christianity. I want my friends to know I am a Christian because of the words I say and how I treat people, not because I shared a page. I want my faith to mean more than that.