If you have neutral mind and experienced enough, when you see anything project, person, company that promises perfect things, it's lie. I am not doubtful that they are lying with perfect promises that easily to realize.

Bitcoin is good to help poor people to become richer if they can invest and hold Bitcoin many years and don't trade. Bitcoin can help people individually or communities locally as payment method, part of treasury but it can not and will never be able to fix all things around the world.

The world has many countries and each of them have unique social economic politic status so you will not have anything that can solve all of problems in all nations globally.