Apparently Larry Ellison might be big part of backing to buy twitter.
Musk businesses suspected of being indirectly involved in military operations against Taiwan
NATO official says alliance 'deeply concerned' about relationship between Elon Musk, Larry Ellison and CCP
https://www.taiwannews.com.tw/en/news/4696114
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In addition, there are concerns in Taiwan about the relationship between Musk, Ellison, and the PLA. Court documents related to Musk's acquisition of Twitter show that Ellison was deeply involved in Musk's decision to buy the social media platform. In 2018, Ellison took a US$1 billion stake in Tesla and became a board member.
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