It's always been a mystery to me why both Twitter and OpenDNS use NTT/Verio exclusively -- of the Tier-1 networks, they have the highest latency across the boa

It's always been a mystery to me why both Twitter and OpenDNS use NTT/Verio exclusively -- of the Tier-1 networks, they have the highest latency across the board, and by far the least connectedness. Why the hell wouldn't you want to at least be geographically distributed, with direct connections to more than one Tier-1?