It's strangely common. As someone who has worked in a few IoT companies that ship devices that run on other people's networks the amount of enterprise gear that

It's strangely common. As someone who has worked in a few IoT companies that ship devices that run on other people's networks the amount of enterprise gear that just drops all UDP as a default is astonishing. Every single IoT device I've worked on has had some custom, hand rolled, NTP-over-HTTP to get around RTC failures.