“Unlike some of the European countries where you might have a single telco, our networks are a hodgepodge of old networks. […] The big networks are combinations of a whole series of acquisitions, and you have equipment out there that’s so old it’s unpatchable.”

… I’m very confused by their stupidity. If it’s “too old to patch”, than get a new one, just like everyone else has to do with aging computers and phones. Yeah, it’s expensive, but you can afford it.