There's certainly more new SF available than when I started writing. That means there's also more bad SF available. Whether there is also more good is a matter for future historians of the field. ↗
Historians and archaeologists will one day discover that the ads of our time are the richest and most faithful reflections that any society ever made of its entire range of activities. ↗
As a scholar who regularly surveys archival material, I think that, a century from now, cultural historians will find David Horowitz's spiritual and political odyssey paradigmatic for our time. ↗