"Excellent beacon but why the altimeter?" - Review of Pieps DSP Advanced Smart Transmitter

I have used most other beacons except the new Ortovox and have been delighted at the Pieps ease of use and their reliability. Best range of all currently available, especially when tested with other popular brands BUT who in their right minds would be getting out their beacon from its secure location every 500m to check altitude and compass heading? This is surely a big time marketing gimmick. A better add on would be a 457mHz PLB or GPS.
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