Well... your perspective is valid but not comprehensive. On the lawn of the building are two rather industrial sized generators. When the power goes out, they go on and they keep going. I don't work at a startup. Nor do I work at 3M. There's a lot of space in between. That space is where a lot of the world works. YMMV.
Yes, I'm sure there are some, maybe many offices that have redundant power, but I've worked for 20 person companies and 20,000 person companies, and they all sent people home when the power went out. Even when I briefly worked in a colocation center, I got sent home during a regional power failure as they wanted to give my desk to a large customer that needed a place to work from to keep their business running.
At one company, I was in charge of IT and finally got signoff to run emergency power from the generator to the data center and IDF's to keep the network online in a power failure. Facilities put an end to that plan when they said that without HVAC, the building would quickly become uninhabitable in the summer or winter. We ended up powering the main datacenter to keep servers online, but not the rest of the network.
