The consequence of some services being offline is much, much worse than a person (or a billion) being bored in front of a screen.
Sure, it’s arguably not Cloudflares fault that these services are cloud-dependent in the first place, but even if service just degrades somewhat gracefully in an ideal case, that’s a lot of global clustering of a lot of exceptional system behavior.
Or another analogy: Every person probably passes out for a few minutes in their live at one point or another. Yet I wouldn’t want to imagine what happens if everybody got that over with at the very same time without warning…