I agree 100%. If you listen to a sermon and don't hear the words "sin", "Jesus", "salvation", or "blood of Christ" you are in the wrong church.
You said: If you listen to a sermon and don't hear the words "sin", "Jesus", "salvation", or "blood of Christ" you are in the wrong church.
I checked the Sermon on the Mount in Matthew 5-7. It only only includes one of the words you mentioned, sin. In one instance it emphasizes cutting of body parts if they offend you, and in the others it always emphasizes the importance of forgiving sin. Does my belief in this sermon mean I am not part of the true church?