Dude, what you posted was a blog. Most blog are masked by the opinion of the writer. Opinion. This could be true and at the same time it could not be true. Although this is one of I'm dreaming of in bitcoin to achieve and for it to become the number one currency. But remember, bitcoin needs fiat to work.
Comparing fiat to a cryptocurrency is a bit weird.
It's true that Bitcoin really need fiat to work and I don't think it belongs to that list. The author of that blog is giving a different idea about of Bitcoin. Bitcoin is already in the top of all cryptocurrency and there's no one that could change that fact.