Yeah, no, totally makes sense (or doesn't, in this case lol) to me. Like, you can see the break down with the 2 values (on the website at least, dunno about the app) if you click your ink total under the upper menu thing... but you don't get the same break down anywhere that you actually use the ink so it's kind of a moot point.
Like how about instead of giving the error message that you screenshotted in the OP, just tell me how much real ink I actually have, tapas