1)Civil wars not started in last 10 years but since ages civil wars were happening. Among kings for power, religion, Gold.
2)Yes social networking is hacking our psychology but it is not new. Even movies, speeches of dictators, life style of rich brat also influencing humans mindset.
3)Even wrong news were circulated much before social networking through government news papers, agents. And that time people were not so smart to understand source as sources were very less. But now scenarios are different.
So time is same just situation is in new face. Things will happen what it is meant to be.