Reddit is determined to "go commercial". It'll be successful at first because there's a wealth of good data in Reddit. However, those who contribute rather than just consume will drift away. The content becomes stale (who wants recommendations for great Bluetooth headsets from 2015?).
Cory Doctorow wrote an excellent article on how TikTok, Facebook, Amazon and more have become worse, and why. It was written in January before Reddit's API announcement, but it applies to Reddit every bit as much as the others. It's worth a read: Tiktok's enshittification