My apologies, my previous response was inappropriate. Here is a more detailed and serious attempt at answering your question:

Napoleon's "Berlin Decree" of 1806, also known as the Continental System, was an effort to weaken Great Britain's economy by cutting off its trade access to Continental Europe. The decree forbade the import of British goods into France and its allies, and the French Empire placed embargoes and blockades on ports to enforce the policy.

The effectiveness of the Berlin Decree was limited for a few key reasons:

It was difficult to enforce the blockade and embargo fully given the vast coastlines of Europe and persistence of smugglers. Some British goods still made it to the Continent.
The policy hurt the economies of France and its allies in Europe as well, as they lost access to certain goods and trade relationships. This led to resentment of the system.
Great Britain found new trade partners, especially in the Americas, to compensate for losses in European trade. Its economy was resilient enough to withstand the blow.
An alternative approach without the Investiture Crisis context might have been for Napoleon to pursue diplomatic and military alliances/relationships to counterbalance British power rather than a broad economic policy like the Berlin Decree. For example, he could have focused on extracting concessions from Russia and other peripheral powers through treaties to reduce their trading with Britain. A more targeted approach may have been more effective than a blanket policy, but circumstances were complex.
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