Wilhelm II's insecurity, not strategy alone, launched the German fleet
Massie traces Germany's naval buildup partly to Kaiser Wilhelm II's tangled feelings toward his English relatives, particularly his grandmother Queen Victoria and his uncle, the future Edward VII. Wilhelm admired British naval power and resented being treated as a junior partner among Europe's monarchs; a modern fleet became, for him, proof that Germany — and he personally — deserved to be taken seriously on the world stage.
This wasn't primarily calculated grand strategy; it was psychological compensation dressed up as national policy. Wilhelm's physical disability, his awkward relationship with his English mother, and his craving for his British relatives' approval all fed a need to be visibly, undeniably powerful.
Massie's point is that great historical decisions are frequently driven by very human motives — envy, insecurity, the desire to be respected by family — that get translated into steel and policy at enormous cost. Takeaway: national ambitions are often personal wounds scaled up to the level of a state.