It sounds like you are.
You can go back to the article that started the thread here PPL/IR Europe - EASA Part FCL and Foreign-Registered Aircraft (FRA)
It provides a one-page summary of the situation for UK residents and the CAA source.
brgds
421C
Will he stand up in a German court for you (or your estate)?
I think it is very dangerous to place your faith in the opinion of one man. Your note at the bottom pretty much says that. Ask three FSDO's in the USA for an opinion and you will get at least three different answers.
On what does he base he opinion that you can fly as UK resident in EU for another 2 years on an FAA IR only? He can only speak for UK and UK airspace??