Disclaimer: When I state 'we changed X', it does not preclude changes to Y and Z. I did not say 'we did not change Y and Z' but neither did I say 'we changed Y and Z'. I merely made a singular statement about X, which is not to be constructed as a statement about Y or Z. Even though I just said 'we changed X', the statistical probability for the immediate appearance of threads decrying the lack of change to Y and Z has significantly increased by this statement about X. This puzzling effect is why the first rule of partial class balance discussion is that you do not discuss partial class balance.
