mikejohnchapman
Challenge Tour Pro
True and it is also a fact that the club are asked for information relating to their course such as average rough height & stimp ratings which, although checked, tend to be used as they represent the normal playing conditions.As you correctly say the vast majority of the rating process is factual.
The proportion which could be deemed as interpretation is so small that you it would have to be incredibly poor to properly have any sort of effect in CR or SR. It is difficult to imagine the size and amount of errors in the small quantity of subjective decisions that could be made to impact the end result.