Because it’s a fact of the case. It’s not being brought up or suggested as definitive proof of anything. But if you’re going to condemn Greenwood on the basis of an accusation or evidence that was never tested in a court of law, it’s reasonable that people will offer facts that potentially point in another direction in the interests of balance and fairness.
None of us knows what actually happened.
Aah but De Zerbi knows, the horrible clam.