I love the Apology Project and used to listen to it as a New York City twenty-something in the 1990s. Back in 2018, I produced a podcast episode about the concept of the Apology Line, and how another artist had started the project many years after the project's creator had died unexpectedly. It is here, if you are interested: https://forkeepspodcast.com/s4e6-mr-apology-collector-of-apologies