Leppitsch failed as a senior coach before he arrived. What he did for us and seems to be at Collingwood is top shelf. Won't find a better assistant. Macrae should be coach of the year...Leppitsch and Rutten are both failed senior coaches.
Macrae hasn't even coached a full season, so who knows.
So of the 2 we can judge, they're not any good.
Pretty simple I'd have thought.