Earlier quoted context omitted.
Precisely, the marketplace of ideas has become the cesspit of lies and we need to pull ourselves and everyone else out of it.
What comes after we pull ourselves out of the "marketplace of ideas?" With no marketplace where will original thought come from? The whole point of the marketplace is to sift through all the bad stuff and find the diamonds in the rough. You can't have a market without bad stuff, and the benefit of having a market is that it finds good stuff. A world with less bad ideas is a world with less good ideas. It's not imposs…
And don't start with "but how do we tell them apart" - sometimes it is very clear cut.