For one thing, there have always been heavy jewish/roth bloodline presence in that part of europe. Also, when talking about habsburgs, we are likely not talking about the main monarchy. Think subgroup - ones affiliated with ((roths)). Thyssen angle is vital - think ww2 and supplying both sides.
((roths)) bankroll USSR and US, thyssens manufacture and work with third reich. Control of finances and industry during war time = control over survival of a nation engaged in warfare.