I get it twitter is more like a firehouse of information being streamed at once. getting a message through that were someone would see who isn't a follower would be difficult.
People are fake on linkedln because they are afraid to offend any. All there business clients and employers are on the service. If you want real people are more inclined when they are just a username or anonymous. Something I noticed through the years. Real ID means faker people.
Twitter does have the affect on people to go crazy. I think your wrong about Glenn he is correct. Just look up the facts. Glenn gets more respect the more you study him.