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.
You're right and besides we have our own ideas and perceptions as what you have stated. We don't know if it is a fact or rumor, but we do love to share our opinion to others for them to gain more knowledge or used it as for their own experiences.