This is absolutely true and has been for years. You’re granted access to the minimum number of buildings required for your job function, and can file a ticket for temporary access grants to other buildings based on need.
I have access to every building in my city despite only requiring access to one of them, and I didn’t have to request it.
When I visited Seattle, I had to request access (which required clicking a grand total of 5 buttons in an internal portal and was instantly auto approved) to “the Seattle campus” and was granted access to every building, and still have that access years later. It wasn’t temporary.
Ditto for the other offices I’ve visited, both domestic and abroad. One office internationally I literally showed up and walked to reception and said “hi I work here but I’m visiting from out of town” and they immediately gave me access. I don’t see how this is different from the “second passport” described in the article.*
There are a couple of limited-access offices such as for subsidiary companies, but those are not the majority.
* - the one big difference definitely is the amenities and food, though. Amazon offices don’t have great, or even good, food. And the amenities are lame, most offices don’t even have a gym. There isn’t much of a reason to stop by an office unless you’re specifically there to work.
It never would have occurred to me to visit an Amazon office, so I didn't know about the ticket thing. I rarely worked with anyone remote.
When I joined, Google encouraged travel (less so lately). In the time I've been here I've visited over a dozen offices around the world. Some of them on vacation, because I knew there would be something unique about the local office, but also because with the exception of one office (Copenhagen), I'd worked closely enough with someone there to drop by their desk, say hello, shake hands, and get the best restaurant and bar recommendations I've ever found (and some great unexpected dinners with colleagues!)