The team spent its time on the visible part: the campaign, the platform, the material. The assumption was that better execution would move the numbers. Underneath, the actual problem, the strategy, ownership, targets, process and measurement were still unresolved, so every improvement above the line was absorbed by what was missing below it.
Fix what supports the work before polishing what people see.
Visible
ad / platform / brochure / event
Weak here, polishing above changes little
the problemstrategyownershiptargetsmeasurementprocesstechnology