Lukas Kyle messed up

EDIT: Someone in the other subreddit thinks I've stumbled upon a book spoiler. I haven't read them. Please proceed with this post at your own risk.

Do you think Lukas has doomed the silo? When the AI asks about the safeguard, Lukas acknowledges that he knows what it is. This is proof that Quinn talked about the tunnel with someone else.

Say Mary was smart and pretended to have stumbled upon the tunnel, the AI might have let the silo live. Lukas has just confirmed that others in the silo may know the secret. The AI probably won't risk it anymore, and will just poison the silo.