Sad But True (Southern Reach Quest 1-17)

Synopsis
I left your father alone on our way back to Southern Reach. He planned to go home, but I wanted to stop him. I've never seen him again since.' McCremons couldn't look me in the eyes.

Completion
So, I've lost my eye in a fight for a digging...' Abe confessed. I wanted to get some fresh air. I was extremely confused. Could this story be true?