The religion of man doesn't believe that the death of Christ alone results in the Eternal Salvation of all for whom Christ died, namely His Sheep Jn 10:11,15 or His Church Eph 5:25, or His People Matt 1:21.

His death for His people produces saving results Jn 12:32-33 23,24

32 And I, if I be lifted up from the earth, will draw all men unto me. 33 This he said, signifying what death he should die.

23 And Jesus answered them, saying, The hour is come, that the Son of man should be glorified. 24 Verily, verily, I say unto you, Except a corn of wheat fall into the ground and die, it abideth alone: but if it die, it bringeth forth much fruit.