Open Question: What does it mean if a friend hide a comment you posted on it’s Facebook page?

I and a few friends are pissed off by this friend of mine who like to hide our comment on it’s Facebook page for no reason. It is just a casual remark. But at least he/she should have a courtesy to explain to us if he/she feels hurt by our remark?
What should I do? Question he/she? Or just ignore it. This is not a serious case but I still felt very Pissed off .
Sorry I can’t reveal the sex of this person coz it is quite sensitive.