Warships resemble castles in one respect: neither is built on the promise that it can never be destroyed. A carrier group earns its value by making attack difficult, resource-intensive, and uncertain. Vulnerability to sinking alone does not establish that a surface ship is pointless.
Notable Point · 1:59:49-2:00:38
Survivability does not require invulnerability
Carrier defenses are valuable because they force an enemy to spend more resources and accept more risk, not because they guarantee survival.