github/choosealicense.com — pull request #69 by ncoghlan (2013-07-26 05:01:26+00:00)
Title: Users should only choose APL if GPL compatibility doesn't matter

Choosing to use APL instead of MIT means that "GPLv2 Only" projects cannot use the software. This is rarely something that users of a permissive license actually want.

This is not just a theoretical problem: https://github.com/twitter/bootstrap/issues/2054