It is a useful skill to have, just in case you have a clutch failure. Barring that, I see no reason to not use the great clutch that's right there.
Something else to consider: a starter is much easier to replace than a clutch. It might be worthwhile to sometimes use the starter instead of bump-starting. (I usually bump-start, still)
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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