It's nice that Cloudflare provides their services for free but scrubbing has existed for a long time. With your own address space and an appropriate budget it's

It's nice that Cloudflare provides their services for free but scrubbing has existed for a long time. With your own address space and an appropriate budget it's not difficult to have Cloudflare/Akamai/AWS announce your IP space with a higher weight than a direct path to your infrastructure. That will give you a little bit more fault tolerance for incidents like these.