Manna team are obviously already aware, but when a tech-solution is chosen, a phenomena named the network effect will come to action.

Bitcoin is the leading coin because most people is holding it, and it's
therefore the most attractive for new investors. But you have to buy it. The UBI nature of Manna, and the referral program, can boost adoption in a rate capable of outperforming a lot of projects. And probably at some point hit escape velocity, where number of users will moon.