I agree with both of the existing comments. The flavor isn't quite right (personally, I think there's something funky with the sweetener, but i dunno), especially cherry coke isn't really cherry coke. And the UX is awful; dispense latency is bad, touch screen calibration is usually bad and not really fixable because the display screen is so far back from the touch element that people of different heights are going to press different parts of the screen because that's where they see the screen. You could maybe make the active touch areas a little bigger, but the UI is pretty busy, so that won't be possible for soda selection, but it might help for flavor additives. The accessible buttons might be better than the touchscreen?, but I dunno they're not convenient if you're not in a wheelchair (which is fine, that's what they're for). I also haven't tried the scan a QR code and hope method, because it's slow enough already.

Sadly, I've only seen the Pepsi equivalent once or twice and didn't get to try it.