There has NEVER been a proven, documented case of a bike being stolen where a "gold" rated u-lock was correctly fastened around the rear wheel and a beefy steel pole set in concrete.
You have studied the records of every bike theft in the world, then? An impressive feat.
Oh, and if you want to break an aluminum wheel rim in seconds, shoot, let me count the ways... here's one easy one:
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edit: image removed to keep from helping thieves with a no-brainer method)