We are physically better off today in every possible way in which such things can be measured ... but you sure as hell wouldn't know that if you're getting your news online. Why?
Well, ask yourself: If some music site posts an article called, "Fall Out Boy is a Fine Band" and on the same day posts another one called, "Fall Out Boy is the Shittiest Fucking Band of the Last 100 Years, Say Experts," which do you think will get the most traffic? The second one wins in a blowout. Outrage manufactures word-of-mouth.
The news blogs many of you read? The people running them know the same thing. Every site is in a dogfight for traffic (even if they don't run ads, they still measure their success by the size of their audience) and so they carefully pick through the wires for the most inflammatory story possible. The other blogs start echoing the same story from the same point of view. If you want, you can surf all day and never swim out of the warm, stagnant waters of the "aren't those bastards evil" pool.
#2. We don't have enough annoying friends, either.
"The problem is we've built an awesome, sprawling web of technology meant purely to let us avoid annoying people. Do all your Christmas shopping online and avoid the fat lady ramming her cart into you at Target. Spend $5,000 on a home theater system so you can see movies on a big screen without a toddler kicking the back of your seat..."