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bimmerguy, your "opinion" is squarely at odds with the major automakers which are all rolling out auto stop/start systems (including BMW with its "efficient dynamics" technology). You need to do a bit more research.
The fact is that shutting down the engine while stopped nets significant fuel savings, which negates your points 1 & 2, which is why it is appearing on more and more cars as standard equipment.
As for your point 3, not enough oil drains down in the course of a few seconds or minutes to matter in terms of wear. The line you hear about starting an engine being hard on it refers to a cold soak start, not a warm one.
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