Based on the posts you find on X, Elon Musk's involvement in politics seems to be related to his concerns about libertarianism, government overregulation, and free speech. Here are some speculations and interpretations based on those posts:

1. Support for free speech: Musk has repeatedly mentioned the importance of free speech as one of the foundations of democracy. He has expressed strong disapproval of those who oppose free speech, which may lead him to enter the political arena to support candidates and policies that he believes can defend these values.

2. Criticism of government regulation: Musk believes that excessive regulations and bureaucracy in the United States are one of the biggest obstacles to human progress. He mentioned that unless major regulatory reforms are made, human exploration of the stars may not be possible. This view may make him feel the need to act politically to promote the reforms he believes are necessary.

3. Support Trump: Musk clearly supports Trump in his post, believing that Trump can reduce excessive government intervention. This may be because he believes that Trump's policies are more conducive to business and technological innovation, reducing government constraints, and thus more conducive to his rocket and space exploration projects.

4. PAC: He created a PAC to support candidates he believes embrace core American values, showing that he is not just supporting certain political positions through rhetoric, but is also invested in actual political action.

In summary, Musk's involvement in politics may not only be for personal gain or the success of his rocket company, but also to promote the values ​​and policy changes that he believes are essential for the advancement of society and humanity. He may believe that these changes will not be achieved without political participation, and these changes are equally important to his business and the future of mankind. Therefore, although his core business is rockets and space exploration, he believes that political participation is one of the necessary means to achieve more ambitious goals.