I want one of these with an LTE modem on it so that I can drop it in the rack (non-datacenter) and remote-in regardless of the WAN condition.
You'd have to figure out how to get inbound connections - perhaps something like tailscale would do the trick.
In fact, TinyPilot is based on ustreamer, that is developed by Maxim Devaem, the pikvm creator: https://github.com/pikvm/ustreamer