The digression explains why historians can know more about a modern system than they are willing to publish. Under the stated Wikipedia rule, specifications for post-1950 equipment that could still be in service are limited to figures already visible on Wikipedia rather than private background knowledge. This use of Wikipedia proves only that a number was already public; it does not assert that the figure is accurate. The constraint explains why the video does not narrate the full design history linking the Merlin, Sea King, and CVA-01.
Notable Point · 45:31-46:57
The Wikipedia rule for modern military specifications
For post-1950 equipment that may remain sensitive, the video's stated Wikipedia rule limits specifications to information demonstrably in the public domain.