Why France did not rebuild carriers to Western patterns

Why did the French Navy not rebuild its carriers to British or American modernization standards?

France decided those conversions were unnecessary for its requirements and pursued other aviation choices instead.

The answer is deliberately direct: the Marine Nationale judged the proposed British- or American-style rebuilds unnecessary for its own needs. Carrier modernization was not a universal checklist that every navy had to copy. French choices instead reflected the aircraft and capabilities it intended to operate. The exchange therefore redirects the comparison from whether France matched another navy's standard to whether its ships met French requirements.