If Craigslist doesn't own the posts, then that means the users own their own posts, and you don't have their permission to re-use their posts.
This just puts you back where you started.
This just puts you back where you started.
It's incredibly naive to assume you know best.
We have our job ads republished by job sites with user bases that are far outside what we're interested in, and it results in a massive waste of our time in filtering those candidates.