And there is no maintained GPL2 gcc, so they need an alternative. Also, the goal...

asdasf on Sept 11, 2013 | parent | context | favorite | on: FreeBSD Is No Longer Building GCC By Default

And there is no maintained GPL2 gcc, so they need an alternative. Also, the goal of the project is to provide a free operating system, and GPL software does not meet that goal, in either version. So naturally it is desirable to replace it when possible.