The first part you said is right that everybody is essentially investing in the hopes that the money goes x-fold soon after. As for Flash I don't know. What in your opinion makes Strats a bs project and this not?
FLASH currently has major partnerships with the barter industry facilitated with FTI Foodtech, despite it being a viable replacement to credit cards/paypal (thousands of txns per sec/low fees)
it has shown it can be implemented into the real world (which should be the goal of all cryptos). This first step is major in the direction of adoption and use case. What has any other crypto besides Bitcoin done to solve a real world problem while remaining decentralized?
The viable replacement scenario is not only about tx/s. Credit cards and Paypal have built out their whole infrastructure for decades and they have a lot of leverage when it comes to negotiation.
Well FLASH is an alternative to the monopolized payment system that is credit cards. People will not abandon it 100% and they are not expected to. Instead offer the option to save themselves 3% in processing fees by using FLASH. In the long run 3% adds up to a lot