Have we gone too far?

Yes! The internet is the cause of our problems! Technology is evil! Of course!

By and large though, people tend to be more douchey when they can hide anonymously and there's no consequences for their behavior (see also: mobs). People in real life are more respectful, or at least are generally too timid to be confrontational.

In real life too.

people don't take care of each other in person blame a tool and then think thats the cause

Because the internet and it's power STILL isn't taken seriously in the broad sense.