According to some Malaysian Redditor, modern Apple Jacks have been reformulated to taste more like apples and less like sugar.
I doubt you were tasting disgruntled union worker pee. Kellogg's released a statement about this incident, claiming that it occured during a labor dispute a few years ago. In other words, don't worry, recently-purchased boxes of cereal are clean; you've *already* eaten his pee.
If for some reason you have to watch this on youtube and don't want to log in and ruin for all time your internet data presence, you can put "nsfw" before "youtube" in the url.