Honestly, I think it depends on the rule specifically. There are certain blatantly objective things like lining up past the line of scrimmage, and there are plenty of calls where I do think the refs should have some leeway to interpret such as pass interference.
Honestly, I think it depends on the rule specifically. There are certain blatantly objective things like lining up past the line of scrimmage, and there are plenty of calls where I do think the refs should have some leeway to interpret such as pass interference.