Yeah I saw you Phil, interesting stuff I thought. Wasn't sure from the first one where they started looking at the problem exactly what it was but do now.
One thing I wasn't sure of from the vid (and it could just be me missed it), the adaptor that is mentioned that causes the problem, I take it that is the 3 pin to EHU adapter? If so are they all wired with earth to negative by default do you know? I will open one up myself and check but grounded at the moment so not got one to hand.
Personally not a problem for me as I only use the emu socket for the generator (or very rarely, site EHU), had it so that either or both of my 30A mains chargers can be used via built in 240V or external 240V sources since I gt the two Victron chargers.
In case anyone doest watch the vid right too the end it isn't just using power banks connected to EHU socket that may be unsafe but also if you connect at home with a 3 pin plug to EHU.