Actually, it is just their opinion about Bitcoin will die or not with their own perception, we'd love to share our opinion, don't we? If you disagree with their opinion you can just leave it behind.
something is said to die when it doesn't do anything anymore just quiet and silent, many people say that bitcoin is dying and even say it's dead I also don't agree and why they assume it is where it's basically, but obviously we still think positively whatever that happened.