All of these are interesting reasons. "They're bored" tells you a lot about the societal and economical situation Etc. These artifacts are physical imprints of

All of these are interesting reasons. "They're bored" tells you a lot about the societal and economical situation Etc. These artifacts are physical imprints of the "spiritual" human condition. There's a ton of meaning there. I don't think purpose is the right word here, nor is it what being investigated.