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Enum members have two pieces of easily accessible information: `name` and `value`. The name is taken from the attribute the value is assigned to; the value, obviously, is the value assigned.
The question, then, is what should happen when the function syntax is used, and values are not explicitly given?
 - use `int`s starting from one
 - use `int`s starting from zero
 - use the key name itself
 - use no value at all
Working from the bottom up:
 - no value: if the enum member has no actual value, the user cannot retrieve the member using the class call syntax (e.g. Color(???) )
 - the key name as value: if we go this route, then instead of two pieces of info, our enum member has only one piece in two places
 - `int`s from zero: falls in line with normal Python counting, but is the zeroth member False?
 - `int`s from one: avoids the False question, and it's what flufl.enum does.
No value is obviously a no-go as it causes more problems than it solves.
`str` value is also a no-go as the key name is already available as `name`.
`int`s starting from zero or starting from one? Personally, I have no problem with a zero-value enum member that is True -- not every zero should be False. This is the only change I would be willing to make.
To sum up: the name is already available in the name, no need to have it be the value as well. I am open to changing the start value to zero instead of one (which is what I do in my customization of Enum in my personal modules ;) .