If You're Reading This... question

SPOILER WARNING: I just wanted to know what other readers thought about the line “Maybe we should just off her right now?”. It’s never mentioned again, and I guess we’re supposed to decide it’s sarcastic after the men tell their story. But, really, Colbie doesn’t even ask? For many reasons, these 3 would be out of my life—but especially THIS!!! So much of the guys’ behavior is beyond troubling…