I think the speaker is saying that his friends shouldn't put all the blame on him for letting them down or ruining their friendship. He is only human, and they should have realized that he could have failed them. I think
"How could you do this to all your believers?
How could you do this to all of your friends?
You know this is the end!"
is his friends telling him how they feel about what he did. The last couple of lines mean that the friendship is over. Overall, the song is about how everyone is human and will let you down sometimes, so you shouldn't put people on pedestals.
I think YoureFired2011 has a good interpretation.
I think the speaker is saying that his friends shouldn't put all the blame on him for letting them down or ruining their friendship. He is only human, and they should have realized that he could have failed them. I think
"How could you do this to all your believers? How could you do this to all of your friends? You know this is the end!"
is his friends telling him how they feel about what he did. The last couple of lines mean that the friendship is over. Overall, the song is about how everyone is human and will let you down sometimes, so you shouldn't put people on pedestals.