There was a point when we figured out how to stop spam submissions almost completely. That was probably what happened at the end of 2011. That would have been about the right time.
Here are your 1000 out of your 1248 comments: https://hn.algolia.com/api/v1/search_by_date?tags=comment,au...
And here are 1000 out of your 1548 submitted stories: https://hn.algolia.com/api/v1/search_by_date?tags=story,auth...
You can pagenate each endpoint on the created_at_i parameter to get the rest. I can write up a data liberation script if you want.
I continue to reflect upon this, for myself. But you write better and sometimes rather elucidating essays.