Demo here I think: "This video shows the IMAGINE Robotic Disassembly System at Milestone 3. The system is able to analyze an electronic device (here a HDD) placed in its workspace."
https://www.youtube.com/watch?v=m8aEZnSdiCA
Indeed that's been a huge problem to date. Here's hoping they've made actual progress: "The robust process is tolerant to contaminants in the feed. This means easier pretreatment of the feed before the Olefy processing." (from the bullet points about halfway through the article)