The market has reacted this way for a reason - Nvidia share prices fell a lot over the past few days.
If the espionage probe was serious (and it was known about in intelligence circles going back as much as a year), it would be handle much differently, with charges brought agains him or his company being sanctioned.
Many people could just say the exact opposite of your sentence, i.e. "not a disqualification" and "can still be trusted". Furthermore, These people could supply many historical examples of leaders who did similar things and went on to remain great/effective leaders of the things they were charged to lead.
It may not be a fact per se, but in the United States it is widely agreed upon that romantic relationships with subordinates is a big no-no from an ethics perspective (due to power dynamics and high potential for abuse), in addition to being a serious liability for the company.
With a sane administration that hadn't possibly looked the other way due to emoluments (allegedly), maybe. Who knows what the response will be from the current mob (gentle pun intended).
My pet theory about why it was leaked is because the very serious reports were sent to the White House and they then did absolutely nothing about it. Just because this, wildly corrupt, current administration has not brought charges does not mean it won't happen in the future.
Are we talking about the administration that pardoned scammers for kickbacks ? I think the timing of this is telling, the charges are likely coming and this is just the first wave of stuff to get out.
If someone holds NVDA, nothing out of their mouth about NVDA matters to me. Even if they're stating a fact, cool, I can find those from someone else. The one exception is if they're willing to double down right now.