Sure, but my point stands. It still has to be occupied by trained troops to make sense, just like those bunkers. Both had to be used smart, both can be misused.

Sure, but my point stands. It still has to be occupied by trained troops to make sense, just like those bunkers. Both had to be used smart, both can be misused. That doesn't make them pointless, it makes their use cases narrow. Hence a coffee shop in one of them.