My April fools prank ~~you~~ on my friends was a fake news article. It would've worked if any of them actually read past the headline.
In the same regards, it's a toggle if you want it to come back automatically. You can still turn off Bluetooth and leave it off. The feature is there so you don't turn off Bluetooth and lose your device & the only way to track it
Edit: fixed typo
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HTPC or Google TV. With Google TV you can at least ADB the shit away