Doesn't the Touch Bar use BridgeOS? I believe BridgeOS is a modified version of watchOS, it has to be using battery power somewhere.I'd be interested what the cost and battery drain are from the TB. To me it's a distraction as well when the display changes.
Edit: Upon further study, it may be that BridgeOS is used solely by the T2 chip and not have anything to do with the Touch Bar.
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