In Canada, electric block heaters for the engine are fairly common as well: https://en.m.wikipedia.org/wiki/Block_heater . Similar concept to fire under the engine, but a bit more modern
This isn’t entirely true fwiw. That assumes a constant load on the systems. If you start running into a capacity crunch on a given system, your best case is scale horizontally or vertically using established procedures. But if you hit a limit there (vertical scaling limit, architectural limit) and actually need to refactor? Good luck!
McDonald's owns their own farms. They are big enough that controlling their supply chain is very important.
Facebook does not use cloud providers and designs their own servers.
The very large compute uses and cloud providers have incentives to grow their own food. Doing so can save them a few percent at scale. That savings is both not passed on to you and even if it was is not significant at small to medium scales.
More than just anchor cities. I live in a town of 60k. Cheapest homes less than fifty years old are all C$600K and sharply upward. There are many multi-million dollar properties. It is insanity.