Quantum mechanics is certainly imposing. But an inner voice tells me that it is not yet the real thing. The theory says a lot, but does not really bring us any closer to the secret of the 'old one'. I, at any rate, am convinced that He is not playing dice.
In relation to their systems most systematisers are like a man who builds an enormous castle and lives in a shack close by; they do not live in their own enormous systematic buildings.