Earlier quoted context omitted.
> So to answer your question: major brands have billions for branding and it's a bunch of people's jobs to spend that money and convince the people they work for that it's money well spent. And if it's not money well spent, they'll find someone who will tell them it is. I'll be the first to say there's a lot of mismanagement, incompetence, politics, etc that leads to this but it's also one of the most data driven ind…
Despite all that data though, there's still very little in the way of a clear approach to figuring out cross-channel attribution, valuing view-throughs etc.
The technical strategies are pretty straightforward but it's all the business policies, silo'ed data, bad integrations/tech, privacy issues/constraints, and (the worst of all) politics and outdated thinking, that cause these issues.
Attribution isn't that hard, it's basic analytics and statistical analysis - but half the agencies don't have any understanding of math or tech and just use last click wins with some unreliable vendor and probably poor implementation which ultimately hurts everyone.