>>715
>エビデンスは「根拠」なので関係者かどうかはそもそも無関係

エビデンスは単純な根拠じゃない
"真偽を明らかにする"証拠だ

OED 2e
1. The quality or condition of being evident
3. An appearance from which inferences may be drawn; an indication, mark, sign, token, trace.
Also †to take evidence: to prognosticate. to bear, give evidence: to afford indications
5. Ground for belief; testimony or facts tending to prove or disprove any conclusion.
Const. for, of (the thing to be proved), from, of (the source of testimony).
†to have evidence to say, etc.: to have good grounds for saying, etc. (For external, internal, moral, probable evidence, see these adjs.)
2,4はobs