Not as bad as
Jimmy Savile endorsing the Tories (or was it vice versa ? ).
The United States' Securities and Exchange Commission (SEC) has warned investors that celebrities may not understand that their endorsements of initial coin offerings are in breach of the law. The financial watchdog has issued advice in which it warns that “Investors should note that celebrity endorsements may appear unbiased …
"Celebrities [...] do not have sufficient expertise"
Celebrities are the only ones who can fully grasp the true value of cryptocurrencies. The value of those currencies is 100% based on their reputation -- just like the income and net worth of said celebrities.