If you're going to be pedantic, at least do it properly.
scarcity of available domain names under the major tlds, imo.
I imagine the registrar just doesn't check for names that would be nice targets, but it would be nice to know for sure.
That was enough to spur us to begin planning to move production traffic off our .io domain as well.
Not being available for several hours can severely damage businesses. Startups that haven't built trust yet as well as some large companies. Imagine a bank's website not being available for several hours. It doesn't matter if it's a DNS issue, people would start panicking very quickly.
I trust and support my brothers in Grenada.