Real users and community are everything.
Like Bitcoin was "good enough" to be workable digital money, Steem was the first "good enough" blockchain lego set.
Steem has by far the largest community and number of active users doing legitimate things of any blockchain platform. See https://www.stateofthedapps.com/rankings?sort=dau&order=desc
Steemit is now a clear number 1 with 8 times the users of the best ETH dApp. EOS is basically just a gambling platform which is not sustainable.
See more details here https://steempeak.com/stateofthedapps/@apshamilton/half-of-top-10-dapps-steem-smashes-ethereum-and-eos-for-legal-dapps-and-why-eos-is-in-big-trouble