Anyone else thought the bit about David the software engineer felt like completely out of place? I just don't get it, who is this David, how is he relevent, he

Anyone else thought the bit about David the software engineer felt like completely out of place? I just don't get it, who is this David, how is he relevent, he works a different job, and then chooses to have side projects on top, like is a big chunk of the article missing?