Complete BS... You can blog on your own website and earn by ad revenue and all that shit, and still keep posting the same content on steemit and earn additional money and additional exposure... Blogging in Steemit wont stop you in any way to continue doing all the stuff you where doing before joining here... Seems to me like you are complaining because you are not getting as much money as quick as you wanted...
As for my self, i will always prefer a blog where i don't get exposed to shitty ads all over the place... And community here is way nicer than in any other blog...