Steem is as the ecosystem revolves around apps interfacing with the blockchain and bringing a degree of UX to everything.
Are Steem and other cryptocurrencies opening up access in the same way?
Additionally, no investment is required - except maybe for the patience needed for an account.
Lastly, Steem apps are among the most accessible of all and that on any platform. Good luck in this post-PC era to do anything which relies on MetaMask on a non-PC device.
Contrarily to the inroad made by Steem, other blockchains still have a long way to go there. Related: TAU.
Wow, Tau's roadmap is crazy ambitious. It almost seems too complicated to work though, but I guess it'll be fun to follow.
TAU is a “knock your math’s love out” project.