The world would be better if people who endorsed things were liable for what they endorsed. They should feel the pressure to actually look into what they’re advocating. I hope this is a pivot moment.
Otherwise - I'm not sure how this would really ever work. Will commercial directors and producers also be found liable? What if you endorse something like a normal Visa credit card and then three years later there is a scandal at Visa? What if FTX just lost 3% of customer funds? What due diligence could Giselle really have done? FTX was invested in by respected VC and SBF was featured positively in Forbes and the traditional media.
https://www.jonesday.com/en/insights/2013/12/sec-lifts-longt...
If the spokesperson is completely hoodwinked, what then?
The buyer pretty much has to know that these kinds of investments are essentially 3 Card Monte.
As for being hoodwinked, then still hold them to a fault. Some people might find that unjust, but again, it would force people to try to think, behave, and act more responsibly (or else face repercussions). Otherwise, people could always just play the naivety card, akin to "I didn't know the law, so I shouldn't be penalized for breaking it". Arguably, if you enable such, then society can become a race to the bottom in zero accountability and all that comes with it. Hence why some people think that a part of being a responsible adult, means owning up to your mistakes, even if you didn't know any better.
Actors tend to have agents for the very due diligence reason under discussion.
Hammer the agents for professional malpractice if the agents don't suss out the scam.
Let me also add that, holding someone to a fault doesn't necessarily mean to the same degree. Innocence isn't necessarily a black and white matter, and you can always adjust the punishment to fit the crime.
Anyhow, certainly the most innocent people here, are taxpayers not whatsoever involved in the matter, especially those who have been exclaiming about the dangers of crypto for reasons such as this. They should not be the ones forced to pay.
A brand ambassador should be a famous face of a legit auditing practice. Anything less is accepting bullshit into the system… if the system is designed for large numbers of people to take your advice then the system should hold you accountable if the advice is wrong / poorly researched.