How Jeune Ecole disputes weakened French shell testing

Was the unreliability of French naval shells the fault of the Jeune Ecole?

Indirectly: the institutional disputes disrupted testing, while hurried attempts to catch up could encourage skipped trials.

Defective ammunition did not follow mechanically from Jeune Ecole doctrine. Prolonged arguments over priorities and trials disrupted testing, especially for large naval guns. Pressure to catch up could then encourage skipped trials, with defects discovered later.