If you know a good way of searching through my entire comment history I'm happy to search for it, but it was some years ago, and I post several comments a day, so it may be a tall order to manually page through my history.

You can use the sort of official HN search engine like this: https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...

Found it: https://news.ycombinator.com/item?id=11230347