To quote the Friar: "It will succeed because it must."

Failure is not an option, because the alternative is the Chinese model of totalitarian control and surveillance. That being said, there are always unknown unknowns so nothing is ever 100% certain.

My biggest concern is that Bitcoin will be co-opted just like the internet was. This is why education is so important. Run your own node. Hold your own keys. Be self-sovereign. Take responsibility. Educate others.