I know that you're not shy, so out with it: what am I missing? We always warn people to make sure the outlet is good and the circuit isn't shared, so what hidden dangers lurk in portable EVSEs? You've brought up using 240 volts, as if that is substantially more dangerous than plugging into 120 volts, though it's not. (If anything it's less so, because 240 volt circuits are almost always dedicated to one appliance or device.) Anything else...?
Brilliant Silver 2021 Leaf SV40 W/ Pro Pilot & Protection
2009 Vectrix VX-1 W/18 Leaf modules, & 2 lithium E-bicycles.
BAFX OBDII Dongle
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.