The alias is only useful in the simplest use case. Where you just want to undo the latest one change. Reusing undo to revert the undo is counterintuitive. If y

The alias is only useful in the simplest use case. Where you just want to undo the latest one change. Reusing undo to revert the undo is counterintuitive. If you want to know how many steps back you need to undo, you still need to check reflog. This means you're better of just resetting manually to the change you want.