Information about celebrities promoting projects is difficult to verify, and celebrities can not guarantee the success of the project. Previously, I participated in a project, the development team phan said they cooperated with a very famous youtuber, but now that project is dead.
I think that method might be used to lure investors to put their money in the project, actually there are many projects like this that they introduce and even work with famous people as if their project promises benefits even though in the end their project is also dead, so now we must be careful in investing