Common (uncommon) sense

Common sense, I used to think that it was something everyone just has, but as I've learned, it seems, more people don't have it than do. You know simple things, like if you walk into a solid object, it's not gonna move, so you could be hurt. Or what goes up, must come down. Simple things that shouldn't need to be taught, but just known by all as obvious. But these obvious facts of life seem to elude so many. Sticking your tongue on a 9 volt battery, you'll feel a small shock. So obviously working with electricity in the house must be that much more dangerous. Walking into non movable objects hurt, so moving on bike or vehicle at faster speeds would do more damage. Raising your voice to a loved one, get's them upset, so arguing with a stranger, could provoke an attack. So why is it when someone is brought up with an alcoholic parent, they become an alcoholic parent. Knowing that it upset and embarrassed them, why would they put their kid through the same abuse. Or doing drugs and ruining thier life, and then getting their own kid to do drugs with them, helping ruining their life. There's so many examples and this is obviously just a blog, so I won't right a book. But why is this not common sense, that everyone just has common sense. People seem so oblivious that there have to be so many laws, just to try to stop people from doing what would be considered common sense. Don't text while driving, hmmm, so driving at 100kms an hour and not watching where your going, could be dangerous, and not only for you, but anyone who may be near or in your path. Or smoking with young kids in the confined area of a vehicle, may not be healthy for your kids. The government has to go to such lengths like a fire ban. No one is aloud to have a fire, be it a camp fire or for cooking. Now how much common sense would it take to know that fire spreads, so keep your fire pit in an cleared area and contained. Then there's some a little more complicated, like pouring chemicals down the drain can pollute the water, Hmmm, where did they think the plumbing goes to, some way out place in another galaxy. To if an oil well ruptures in an ocean, the oil will spill in such ocean. Even the so called experts didn't see that one.
So are laws the answer to the lack of common sense? Should we ban and outlaw anything and everything that people can't seem to figure out on their own, or do we let common sense weed them out on it's own. I am not totally sure but common sense tells me if we keep making laws for things that should be common sense, common sense and our freedom may just be lost forever.