Because OpenBSD has decided they won't accept it. At this point, OpenBSD has decided that two very popular open source licenses (GPLv3 and Apache 2) are unacce

Because OpenBSD has decided they won't accept it. At this point, OpenBSD has decided that two very popular open source licenses (GPLv3 and Apache 2) are unacceptable to them. That has walled them off from a lot of open source software. They seem to think that it's incumbent on everyone else to adopt licenses they like. They are going to continue to be disappointed.