Security. If every consumer N1 shipped with an unlocked bootloader,
anyone with physical access to that device could have access to its
content by reflashing a system image on it. That's why unlocking the
bootloader also wipes the device.
On Thu, Aug 12, 2010 at 4:19 PM, potassium
Jean-Baptiste M. "JBQ" Queru
Software Engineer, Android Open-Source Project, Google.
Questions sent directly to me that have no reason for being private
will likely get ignored or forwarded to a public forum with no further