Debian didn't "choose" anything. It's just a bunch of people who wanted merged-/usr to become reality created a tool to convert a system until a project-wide de

Debian didn't "choose" anything. It's just a bunch of people who wanted merged-/usr to become reality created a tool to convert a system until a project-wide decision is made. The decision has been made ultimately, but the dpkg maintainer blocks it from being implemented.