This sounds a bit like saying: don't use MySQL, because it can't scale to one billion requests per second. How many applications are actually running at that scale?
The author specifically called out the Meta outage, as if he was offering a prescription ("It's easy to configure systems with tools like Ansible or pyinfra at scale") that would have prevented Meta (at Meta's scale) from suffering an outage. The argument that Meta should not have used DNS except that Meta runs at a scale where DNS is necessary... who comes up with these arguments?
> The Facebook / Meta outage was so significant
The author specifically called out the Meta outage, as if he was offering a prescription ("It's easy to configure systems with tools like Ansible or pyinfra at scale") that would have prevented Meta (at Meta's scale) from suffering an outage. The argument that Meta should not have used DNS except that Meta runs at a scale where DNS is necessary... who comes up with these arguments?