The decision of whether Joe Biden or any other public figure should release the results of a cognitive test is a matter of personal choice and political strategy. In the case of Joe Biden, he has already undergone a cognitive test and publicly discussed the results. According to his physician, he scored above average on the test, which is typically used to assess cognitive function and detect signs of cognitive decline.
Releasing the results of a cognitive test can be a way for public figures to address concerns or criticisms about their mental faculties. However, it's important to note that cognitive tests have their limitations, and they may not provide a comprehensive assessment of a person's overall mental abilities or fitness for office.
In general, the mental and physical health of public figures, especially political leaders, can be a topic of public interest, but it is also essential to respect their privacy and follow established protocols for medical evaluations. If there are legitimate concerns about a leader's ability to fulfill their duties, it is up to the appropriate medical professionals and governing bodies to address those concerns through proper channels.
Ultimately, the release of cognitive test results is a personal decision, and leaders may choose to address criticisms in various ways, including transparency about their health and medical evaluations.