Why Philip Vian was given command of British carriers

Why was Philip Vian given command of the carrier force rather than the newest destroyers?

The destroyers were not yet available, while Vian had the carrier experience and demanding leadership needed to push Fleet Air Arm operations.

The newest Battle-class and Daring-class destroyers were not available in strength when the command decision was made. Philip Vian, by contrast, had become highly experienced at running carriers and working with the Fleet Air Arm. He was a hard taskmaster who could drive crews to very high performance even when that did not make him popular. The appointment therefore reflected relevant aviation-command experience rather than the prestige of a particular ship type.