First-Touch, Last-Touch, W-Shaped: They Are All Wrong. Use Them Anyway.
Attribution models are lenses, not verdicts. The teams that grow fastest stopped litigating credit and started triangulating decisions.
The attribution wars end the same way in every company: marketing builds a model that flatters marketing, sales dismisses it, finance trusts neither, and the budget meeting runs on anecdote. The mistake is treating attribution as a courtroom — a place where credit is finally assigned. It is closer to instrumentation: several imperfect gauges, each useful if you know what it distorts.
Know what each lens hides
Last-touch overweights the bottom of the funnel and tells you your best channel is 'demo request form'. First-touch overweights whatever is cheap and early. Multi-touch models spread credit with false precision. Self-reported attribution is honest but fuzzy. None is true; each is informative.
Triangulate instead
Put three views side by side in the same review: model-based attribution, self-reported answers, and channel-level pipeline correlation over time. When all three point the same direction, act with confidence. When they diverge, that divergence is the finding — investigate it before you reallocate a rupee or a dollar.
The cultural fix
Stop asking 'which channel gets credit?' and start asking 'if we doubled this channel, what do we predict happens to pipeline in two quarters?' Prediction forces honesty in a way credit never will — because predictions get checked.
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