The golden age of blog was long ago back, which was not only before current kinds of social media but also in a time when it was literally impossible to make a

The golden age of blog was long ago back, which was not only before current kinds of social media but also in a time when it was literally impossible to make a living from writing a blog, even a quite popular one, because the monetization options simply were not there, and the total addressable audience was smaller as well. So going back to that certainly would not (by itself) mean the death of blogging.