Sources: 

Elon Musk took the stand in his trial against
OpenAI and its CEO
Sam Altman, emphasizing the integrity of charitable giving and warning that
losing the case could threaten every charity in America. Musk claimed he was misled about his hefty donations, which totaled around
$38 million for the nonprofit mission.
In his testimony, he stated, “If we make it OK to loot a charity, the entire foundation of charitable giving in America will be destroyed.” This highlighted his concerns regarding the transformation of OpenAI from a nonprofit to a for-profit entity shortly after he left its board.
Musk contends that his investment was intended to benefit humanity, not to fuel profits. He seeks not only the removal of Altman and OpenAI President
Greg Brockman from their positions but also damages exceeding
$180 billion, aimed to support the organization’s charitable wing.
His accusations include claims of
breach of charitable trust and unjust enrichment. Musk reiterated his longstanding trepidation regarding artificial intelligence, stating, “I have had extreme concerns about AI for a very long time.” As this legal battle unfolds, the outcome could have significant implications for the future of charitable organizations across the United States.
Sources: 

Elon Musk testified against OpenAI, arguing that it’s unacceptable to 'loot a charity' and warned about the potential collapse of charitable giving in the U.S. He claims the organization manipulated his donations, seeking $150 billion in damages to protect its nonprofit mission.