> So I ask many of the marketing people, and they just say "oh we thought it could be useful!" Without actually clarifying the "how" or "why". This stuff bugs

> So I ask many of the marketing people, and they just say "oh we thought it could be useful!" Without actually clarifying the "how" or "why". This stuff bugs me so much; it all feels so cargo-culty. Even ignoring privacy, I wonder how much money and computing power is burned on buying and collecting data that nobody needs and that doesn't actually serve any significant business purpose.