CC0 license doesn't work

[iv-org]

CC0 license doesn't work

[TheFrenchGhosty]

CC0 is public domain.

I don't see how it affects anything.

[comradekingu]

You aren't even (consistently) wrong.

Only the CC0 license is public domain.
Anything beyond that affects nothing in effect, insofar as stating it goes.
One end does not carry over to the the ends of the other, except merely in isolated fashion. You are trying to amalgamate that function in a collaborative work, which however laudable butts up against legal framework.

If you don't mean to select your contributors selectively based on their jurisdiction, all it does is signal the virtue of public domain being good for software (or documentation for it). I don't think either is the case.

Not only does the idea of public domain differ between countries, it is also a regional manifestation without international support.
(As opposed to copyright.) If you take it to mean something shared in common between those, it is further removed from tangibility.
It just can't be a living document and also have been dead for as long, or even enter it at an early version that has anything to do with current form.

What does have international support is copyright enforcement, which isn't easier to deal with once one thinks CC0 always escapes it. You ironically end up with the problem of wanting to put stuff back into copyright. Every reason public domain was good for some things, making it only a problem for what isn't one of those things. In some irony it gets right into the problem it seeks to avoid.

It is downright impossible to put something in the public domain for individuals in some jurisdictions.
If you read the CC0 license, there is even a provision for it, which means for the purpose of collaboration between people, it is nothing more than a copyright license to the extent of being copyright, which is badly understood.

It affects me wanting to work on it.

[TheFrenchGhosty]

CC0 is good enough.

It affects me wanting to work on it.

If a public domain license affects you wanting to work on something, don't work on it.

[comradekingu]

@TheFrenchGhosty Licensing is copyright, public domain isn't.
The problem isn't on my end. I already hold the copyright. Your problem is some people actually can put stuff in the public domain, and some people can't.

From that inevitable premise of using it for a collaborative work, there are a lot of incompatibilities, and the stuff one could assume to work hasn't been tried in the relevant courts yet.