Being scrupulously just (2,3,8)
I believe the answer is:
in all fairness
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">being scrupulously just</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for in all fairness that I've seen before include "Being balanced" , "being scrupulously even-handed" .)