CLEAN : Candles lit and flowers laid at scene of Vienna shooting

The video tutorial discusses additions to Shrek in the context of OPA synthesia, exploring various applications and challenges, such as being stuck on glass and the concept of Terracycle. It concludes with reflections on the topic, mentioning Auburn, vistic, and ABBA, leaving viewers with a sense of mystification.

What can be inferred from the statement 'Stuck on glass and stuff'?

How does the mention of ABBA relate to the overall theme of the text?