Wow, what a great response to the issue by the Cloudflare team! Something I've learned based on years of bad experiences with DNS-based load-balancing is that

Wow, what a great response to the issue by the Cloudflare team! Something I've learned based on years of bad experiences with DNS-based load-balancing is that geo-distributed systems really ought to use anycast routing instead. It used to be prohibitively difficult to set up, but is available as a turnkey cloud service these days.