If Murray is Seimens bastard cousin, I don't like either family. CH makes a really good product for the money IMO. Sq-d too pricey, but good.
Now this: "FPE is far easier and cheaper than anything else, and FPE would be very common for the distant future" They were pretty common until they burned so many homes down in the past here in the US. You'll be hard pressed to see an EC not wince when they hear the name, or hang their heads at sight of one. AKA "Arc welders", and "Never trip" among other names. Close cousin to "Burnt Buss" AKA Zinsco. Both members of the "You need a new panel" family.