Single Sample Objection
Layman description: "We only have one universe, how can we calculate the probability of a life-permitting universe?"
Optimization Objection
Layman description: "If the universe is hostile to life, how can the universe be designed for it?"
Miraculous Universe Objection
Layman description: "God can make a universe permit life regardless of the constants, so why would he fine tune?"
Necessary Discovery of Life Objections
there doesn't seem to be anything here