It's desirable to keep the ability to fix license issues as they pop up. But if the copyright of contributions is not assigned to a single entity, then it becom

It's desirable to keep the ability to fix license issues as they pop up. But if the copyright of contributions is not assigned to a single entity, then it becomes nigh impossible to change the license of the project (e.g. to a newer version of the LGPL) because the permission of every single contributor would be required.