I thought about this pretty recently. And I think it could probably be pretty worrying in a way. Just like those hand sanitizers - you know, kills 99.99% of all germs, but down there in that microscopic meledy of bacteria that doesn't mean squat. There's probably billions of germs and killing "99% of them" leaves you with still a whole lot - a few million - that can easily divide and get their numbers back up, especially since you've made a ton of real estate for the little guys by killing their (presumably weaker) competitors. Great! Let's speed up natural selection and create ourselves a few superbugs (like MRSA in British hospitals here, etc). I couldn't think of a better way to make life easier for bacteria.

In a way I guess aversion to germs is a good thing. If there's a super-influenza out there like the media keeps promising us, that kills almost all of those infected by it, it's going to be in your best interests to keep away from anyone who's got a case of the sniffles. And your rock hard constitution won't help you if you're having sex with someone HIV-positive. In those situations, preventing yourself from being inoculated is the best cure.

Even so I pretty much agree. Unless I'm missing something catastrophically big here, abusing the hand sanitizer is a bad thing. It speeds up evolution and makes that 'superbug' much more likely to happen. Couple this with people who avoid anything that's even vaugely "germy" - toliet seats, raw burgers, you name it - and you're paving the way for the bubonic plague revamped.

Sometimes, though, the idea of having a bacteria/virus growing inside you and violating your bodies soveriginity can be unsettling. That and eating your food around someone sneezing out rivers of mucus isn't exactly my idea of fun.

PS: There is a nice article about why they clean up a convict's arm before adminstering the injection I recall reading. It's not just about our bacterial buddies, apparently.
PPS: The five second rule is wrong. Germs tend to 'stick' to your food on contact (i.e. when the food hits the floor). They don't "crawl" onto your burger, candy or Christmas turkey. That would take a long time and a lot of crawling. So did your dog do a doody on that floor earlier? Yeah. I'll leave that up to you.