From around location 401 in the kindle edition of _When Gadgets Betray Us_.
That is a false statement on the phase of it. We lock up all kinds of things because they are dangerous and we're trying to avoid liability. The lock is supposed to community "we want you to stay out of here". If you go through the lock and get hurt, we can say, "hey, it's not our fault".
Locks are, in general, a way to communicate, "we want you to stay out of here". If you read anything at all about the history of Unix, it is abundantly clear that the designers understood what they were doing and why they were doing it.
I _hate_ seeing idiots thrash about and break things.