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On Tue, Sep 22, 2015 at 3:32 PM, Guido van Rossum <guido@python.org> wrote:

it is broken, due to the confusion about classic vs. timeline arithmetic -- these have different needs but there's only one > operator.

I feel silly trying to defend a design against its author. :-) Yes, a language with more than one > symbol would not have some of these problems. Similarly a language with a special symbol for string catenation would not have a non-commutative + and non-distributive \*. All I am saying is that I can live with the choices made in datetime.