And at the same time provided everyone with a simple, free, and perfect way to fireproof his/her house.
You could wait for the fire department, which may take hours to get there, and hope that no malicious party down the street saw the fire, or you can do this. It turns out that both are quite reasonable reactions in this scenario, and that the latter is much more obvious to the layman.
There is no good reason to get angry at the layman for taking a course you don't prefer.
The issue here is that it isn't perfect in the long run (having a root account with a password is worse than not having one) and many people will not be adopting it since they're not in the know.
Of course, it is always possible people have been already exploiting this, but most likely it is at most a small number of people who know about it. Now every script kiddie in the world can and will go around trying to hack anyone who isn't well-informed enough to know how to protect themselves.
Dude. That was your example.