We need to decentralize the Internet, but this occurrence is not the reason. It's an argument to keep consolidating.
... mainframes for business critical applications.
As for buying IBM Cloud services, it's a bit fuzzier.
This is often the case when monopolies realize they're in a position where they can get away with sucking, but I don't believe that to be the case with Cloudflare yet.
If you're site is down, it's your fault in their eyes, not some core infrastructure provider.