My sheep hear my voice, and I know them, and they follow me;
John 10:27
the query is, should the sheep be told- yeah
The Jews are the wolves.
So the Jews gathered round him and said to him, “How long will you keep us in suspense? If you are the Christ, tell us plainly.” Jesus answered them, “I told you, and you do not believe. The works that I do in my Father's name, they bear witness to me; but you do not believe, because you do not belong to my sheep.
John 10:24-26
for God did not give us a spirit of timidity but a spirit of power and love and self-control.
2 Timothy 1:7