BTC may have higher fees, but utlimately, it's where the money is at. And more investment means more innovation. It's not like as if the BTC community doesn't know about the high fees. I think they're eventually gonna solve that issue with the Lightning Network.
And the comparison with facebook not being the first one isn't really accurate. Facebook didn't win because it didn't make the mistakes of myspace.You don't win by just being "not bad". You win by making things that haven't been done before.
In that sense, I think steem is fine. But Bcash doesn't really have anything unique other than the higher block size.
Like what you think 24 transactions is great? Visa does 3000 every second.