I made a quick illustration to show how the dynamic buttons work like a volume dial. And yes, all devices which can switch orientation should have dynamic volume buttons as an option.
You’re more than welcome to argue to the contrary, but it wont change my mind because you’re wrong.
Note that I said it should be an option because this is fighting against established muscle memory.
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To be fair, there are a few dials which you rotate counter clockwise to raise volume, but those are in the minority.