To me, it's a double-edged sword that may harm the platform more than help it. With the surging spams, scams, and phishing schemes on Steemit
I think Steemit will be one of the best platforms to push away the scammy ones. Remember what happened to matttrainer?
Comparing it to other coin announcement forums and platforms, here the scammy ones will have a much harder time to bloom with censorship resistant comments/votes and this might make the good projects get a much better start than on other places and strengthen the name of Steem.