Gotta disagree. One of the biggest points of the game is the wild, desperate aspect of it. Nothing and no-one (short of a friendly person) is going to save you from your fellow hatchet-wielding man, except you. If roughly a few thousand people got tossed out into the same wild area with no warning, no nearby civilization, and nothing but a hatchet, medical supplies and a flare, you could bet cold hard cash that at least one of them (if not more) would start beating people's heads in with the hatchet for their supplies. One of the most important rules of both life and Rust is that there's always going to be nasty people willing to do nasty things to you if it means they survive and/or profit as a result. All you can do to deal with these people is fight them or run away very fast. And if you have like-minded friends with you, these kinds of people (who prey on loners most of the time) will likely leave you be in favor of not dying to a painful group beating/shooting.
Also, if you happen to be just starting out, learning to avoid strangers via hatchet-induced death is quite effective. It also teaches you that the few people who will not kill you on sight and will actually have your back in a fight are worth more than any resources in the world.
I agree with you on this because the game is orientated around survival of the fittest and the safe zones would ruin the do or die atmosphere which rust brings to us.