Funnily enough, I have actually used the 30 minute limit as a "feature" on my Panasonic Lumix G80 (the cousin to the unrestricted G85) as sometimes I would want to set up my camera and leave it recording for 20-30 minutes while I walked away to do things but wouldn't physically be able to return to switch it off. It would save me battery and SD card space because it automatically stops after 30 minutes.