This has been discussed several times. It's about protecting IP around autonomous driving and such. All Bosch ECUs do this, and other ECU manufacturers will follow us (if they haven't already).
Software is important to lock down from an IP/Patent perspective, no one gives a fuck about tuning.
I have a Red FTP Chargepipe available for sale. $150 + shipping. Make me an offer! I'll sign it with a sharpie for an extra $500.
Needs
* Silicone Coupler
* Two Hose Clamps