feat: 📊 Expanded insights on data-driven decision-making and clarifie…

…d the concept of metric trees

- Added a point emphasizing the objective of becoming data driven is to construct a causal business model, moving away from superstition-based understanding.
- Clarified the definition of metric trees by linking them to the expression of a business's causal model.

Data/Data Culture.md

@@ -24,6 +24,7 @@
   - Data should report to the CEO. Ideally at least with some weekly metrics split into (a) notable trends, (b) watching close, and (c) business as usual.
   - If data is the most precious asset in a company, does it make sense to have only one team responsible for it?
     - [People talk about data as the new oil but for most companies it's a lot closer uranium](https://news.ycombinator.com/item?id=27781286). Hard to find people who can to handle or process it correctly, nontrivial security/liabilities if PII is involved, expensive to store and a generally underwhelming return on effort relative to the anticipated utility.
+- The purpose of becoming data driven is to build a causal model of the business in your head. The purpose of doing all this work is that you want to understand how your business actually works and grows, not rely on superstitious beliefs about how your business works and grows.
 - [The pain in data teams come from needing to influence PMs/peers with having little control of them. Data teams need to become really great internal marketers/persuaders](https://anchor.fm/census/episodes/The-evolution-of-the-data-industry--data-jobs-w-Avo-CEO-and-Co-founder-Stefania-Olafsdottir-e16hu1l). That said, it shouldn't be the data team job to convince the organization to be data driven. That's not an effective way of spending resources.
   - Executives are expected to be data driven, even if they don't know what it means.
   - Epistemology of the leadership team really really matters.

Data/Metrics.md

@@ -81,7 +81,7 @@ As you evaluate potential metrics, sure the proxy metric:
 
 ## Metric Trees
 
-A metric tree is a logical representation of a business' growth model in a graph form. It's a simplified representation of how inputs flow into outputs.
+A metric tree is a logical representation of a business' growth model in a graph form. It's a simplified representation of how inputs flow into outputs. The [metric tree concept is really a way of expressing a causal model of how a business works](https://sqlpatterns.com/p/debugging-your-business-with-data)!
 
 - Metric trees are composed of:
   - Output metrics