Nope, they are just wanted to sell their names to us, the cryptocurrency traders to buy the coin which ever be endorsed by the celebrities.
I agree, you do not need to be conducted on advertising because in most cases the project is a Scam , and famous people do not need to be responsible for this project
After they have promoted the platform and getting paid and then they have no responsibility with it, They just need to get the money from their advertisement.
But SEC was giving prohibition for that.