Unlicense [0] is the "short and simple" counterpart to CC0. I like the idea of simple language licenses, too, but there are thought to be some issues with these [1].

[0]: https://unlicense.org/ [1]: https://softwareengineering.stackexchange.com/q/147111/10551...

Yes, short and simple is half of why I favor MIT.

The other half is that it is also a very widespread and thus well-understood license that I am not afraid to use.

It is dual licensed with Apache License 2.0 which may be better than CC0 in your case.