Bill Gates may want to tell investors some news, which seems to be the current situation, which predicts the decline in the cryptocurrency market. This is a warning. You should understand this sentence objectively.
And based on your post and it seems you are not even reading the tittle of this thread properly. Dud, you should read it two times or even more. This is not a warning but bill has been blaming crypto in the past. That's the main point.