Can a review judge’s perspective be wide-angled, not microscopic?

In Canadian Union of Public Employees, Local 3912 v. Nickerson, 2017 NSCA 70, at para. 35, Justice Fichaud described the reviewing judge’s perspective as properly being “wide-angled, not microscopic.” The concerns put forward by HRM in this case tend toward a more fine-grained analysis of the arbitrator’s reasoning. To the extent HRM has taken a wide-angled view it can be described as being a firm view that the arbitrator got it really wrong.