While there are thousands of valid ways to do the calculation. Their results, if they are different, denote different consequences.

I take it from what you say here that you specialise in accuracy and consistency of measurement as a service and let the client judge for themselves what meaning to derive from them. It feels like it might be an invitation to Goodhart's law.

I'm in no decision making position myself (that said, had a few face to face conversations with people writing position papers). My interest is primarily in understanding what has the best outcomes and the ability of strategies to affect those outcomes.

To put an absurd case. Imagine adding a gadget to generators to use all of the CO2 as part of a cyanide manufacturing process which is then emitted. It gives you great CO2 emission numbers, but public health outcomes less so.