Actually he does. @HAWK is saying you should have a group of ppl that share your vision and will work on creating content.
Your focus group can also help promote the new platform on other platforms.
That being said. The RSS polling plugin can help seed content either by configuring to post under your user account, one of your team or can create a null user. Be sure though if using a “null user” it is identifiable as say a bot ie feedbot.
I have been working a bit over a year. However the folks I drafted unfortunately do not seem invested in helping. So I am pretty much the sole content creator. Along with my newsbot. But not a lot of replies
So I need to work on attracting new members who are engaged to help.
Another thing that can be done is start a blog of your thoughts on a topic linking sources