This seems wildly overblown to me.

source: me, a German

All the rage for like 20 people

German middle class here. All I can afford is duck and cover.

Paywalld

Everyone from tycoons to typical middle-class families seeks shelter

Yeah right that’s “everyone”.

The article is worthless since it doesn’t mention how many of those are being built. It could be an ad since it’s printed in The Economist.

I’m seeing some sweet home offices.