At 33 years-old, and a person who has changed his own opinions on politics, pop culture, comic continuity, literature, etc. etc. it would be rather hypocritical of me to hate anyone for disagreeing me.
Now being hostile about it, that's a bit different. I don't hate those people, it is still not what happens, but I do get annoyed with it all. But its so easy not to worry about it:
I end the conversation.
Don't reply to the post.
Basically ignore it, unless I am sure they want to actually discuss it.