True but I mean at some point you have to just take that risk that you might somehow end up there either accidentally or on purpose. The assumption is that it is likely to get back to you even if someone does record you. For every person who gets to be "Internet famous" through having their epic fail shared on YouTube there are thousands, maybe even millions, of others who are relegated to complete obscurity and I like those odds. But that's me.
There's always the stalker/weirdo/blackmail situation to consider but, again, not all that likely to happen to any given individual and again I personally just play the odds. I also keep my nose clean and so lower my chances further by remaining an unattractive target. I still think that inventions like Google Glass are more beneficial than they are destructive and I will wait to see how it develops before making judgments about it.