Respectfully, posts like yours and the parent make me very thankful we don't have Arbiters of Usefulness dictating to the rest of us what is and isn't worthwhil

Respectfully, posts like yours and the parent make me very thankful we don't have Arbiters of Usefulness dictating to the rest of us what is and isn't worthwhile to spend our time doing. For the record, I am not, and have never been, an ad developer/product manager/anything of the sort. >I can see on LinkedIn right now there are jobs for a company that will identify and help you reduce your companies carbon footprint, there are a couple looking at Vision based Machine Learning for automated sorting of recycling. And then there is a university startup wanting software engineers to help them with their bio-scientists get going with some new cancer research. Online shopping could be considered useful, but ad development isn't useful? You do you realize what the online shopping business model is built upon, right? And what is the revenue stream for Linkedin Jobs? What allows them to provide this product, for free, to you? How does the B2B carbon footprint reduction company find its clients? What business model does HN leverage in order to provide a discussion forum about how ad development is useless? (The irony here is especially amusing) And surely you realize how the universities and CV researchers that you approve of are able to use Google to further their knowledge…