Graf Spee's cruise was arguably a high point of German surface-raider audacity, but the ship had neither a relief raider nor a replacement for Altmark ready to sustain an alternating campaign. The later conquest of Norway and access to French ports improved Germany's routes into the Atlantic, although major warships still tended to operate in northern waters. Repeated raiders cycling through the South Atlantic could have created a more dangerous distribution problem for Britain than isolated sorties. British forces pursuing one ship might have been drawn south while another broke out elsewhere, forcing the Royal Navy to split scarce carriers, battleships, battlecruisers, and cruisers across successive hunts.
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Graf Spee reveals Germany's missing raider support system
Alternating raiders and supply ships might have sustained pressure on Britain, especially with later access to the Atlantic through Norway and France.