As opposed to further up the stack where you rely on just a small handful of backbones that fail in spectacular ways far more than Cloudflare does. L3 and AT&T and all the networks that just route traffic through China for no reason at all.

As opposed to hosting everything on AWS, so half the Internet goes down when they have a no-so-uncommon outage.

I don’t think Cloudflare is that much of a bottleneck in comparison. Not to mention 3 points of failure is the definition of “not a single point of failure”.