(Also not batting for Elon, but you asked for reasons why people would care about this scandal more.)
https://en.wikipedia.org/wiki/Shivon_Zilis
He kept a lot of his relationships secret, including offering to pay right winger Ashely S. Clair over 10 million/yr to sign an NDA that would prevent her from ever stating she had his child, until he got a position of impunity that thar unlimited wealth and political favors buys you.
The difference is that Musk is an actual oligarch and Huang is "just" a billionaire.