Matthew's comment proposes that better anti-aircraft armament would reduce the Royal Navy's early carrier losses. Those earliest sinkings were caused by submarines and surface warships, with Ark Royal also lost to a submarine torpedo. Better air defense could still save destroyers. More surviving destroyers could strengthen anti-submarine screens and indirectly reduce the danger to carriers. The benefit would come through preserving escorts for later operations.
Notable Point · 1:50:21-1:51:58
Would better anti-aircraft guns save Britain's early carriers?
Better air defense would not directly prevent sinkings by submarines or surface ships, but surviving destroyers could strengthen later carrier screens.