> I think everything changed when Eternal September happened.

The original Eternal September is about a specific year, but it has become an evergreen concept for each younger generation:

The Internet was really cool when I started using it and everything felt new or novel, but it started going downhill later.

That’s why this topic produces so much agreement when spoken of generically, but when the date of decline becomes the topic everyone just starts pointing to their early years on the internet as the golden age.