I’ve in a few basements with a boatload of fiber, and while guarded those watchmen are not paid enough to take on a mad man with a chainsaw.
I just think the crazy folk of America, aren’t angry enough at the internet to try to take it on so physically. (Nor informed enough, nor coherent enough in their planning….)
I believe this is in the Pittock Block building at SW 9th and Washington. While it's certainly not open to all comers, its no Fort Knox. Attractions upstairs include a police substation, two cafes, and a Swedish bric-a-brac-ery.