The start menu is a single button, whereas the dock is a large number of icons. Corner aligning the dock would do no good, as any icon other than the one in th

The start menu is a single button, whereas the dock is a large number of icons. Corner aligning the dock would do no good, as any icon other than the one in the corner wouldn't be corner aligned either. Regardless of how you see the function parity between the two, the corner alignment argument just doesn't hold here.