This outage made me realize the script I was using to test my internet connectivity was depending 100% on cloudflare: I was both pinging 1.1 AND querying 1.1.1.1 using dig and, if both failed, the script would restart pppd.
6:03PM storm ~ % ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
^C
--- 1.1.1.1 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3103ms