I would applaud the same campaign against Motorola/Google.
They publish the Linux kernel for their Android phones, complying to GPL. But the lock the boot loader, preventing everybody to install its own kernel.
If having an unlocked bootloader is important to you, stop buying locked phones. It really is that simple. The Galaxy Nexus is $350 unsubsidized on the Play Store[1], and is completely unlocked (okay, I admit, you have to run fastboot oem unlock).
They publish the Linux kernel for their Android phones, complying to GPL. But the lock the boot loader, preventing everybody to install its own kernel.