The Nexus line of devices have historically been fantastic developer devices because of their fast updates, availability of source code, and easy bootloader unlock and root methods. This has also attracted all the phone modders, who love tinkering with their devices and creating new software for them.
Unfortunately, things might be moving away from that with the Nexus 6P. The device features an e-fuse that will mark when your bootloader has been unlocked. Even locking your bootloader will not reset the e-fuse; your device will permanently show that it has been tampered with.
How this will affect users is unknown. Google is in charge of warranty claims, and they may not care if it’s been unlocked. But such a feature wouldn’t be put on a Nexus device unless it was planned to be used. While you shouldn’t necessary be worried, it’s something to keep an eye on.
What do you think of a Nexus device having such an anti-unlocking measure? Is it not in the Nexus spirit?