I hired a Jensen Interceptor for a weekend last year, and that crept VERY strongly in D while stationary, needing quite a firm foot on the brake pedal to hold it back. It was certainly easier on my right leg to knock it into neutral at red traffic lights, etc.
I've no idea how much torque a Chrysler 440 V8 puts out at tickover, but there are certainly some very large bits of metal wanging around :-)
As others said, all you're doing is warming up the fluid in the TC and burning a little more fuel that you would in neutral. I've seen arguments that it actually creates more wear to the brake bands etc in the autobox by constantly going from neutral to drive, but it's probably marginal unless you're doing 'neutral drop' take-offs (i.e. holding the engine rpm at 3,000 and dropping it into D from neutral for a fast getaway)
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