[HDBaseT]

It's only Cloudflare IPs, its only the most popular reverse proxy and CDN provider on the internet. Only a mere 20%+ of internet traffic traverses via Cloudflare.

[embedding-shape]

some Cloudflare IPs, not every IP, nor does 20% of what you typically do on the internet go away during these few hours.

[lionkor]

Those companies chose to accept cloudflare downtime and blocking as their own downtime.