Usually Snow Flake Schema is only for less number of data sizes where Star Schema is used for vast data volume. And usually we follow the Star Schema 
I've tested these
1) Response Time
2) RAM Consumption
3) Script Run Time
4) Complexity Script
And proves Star schema is best for Data model. Still looking for more analyzing about Flexibility Model how confident it is

Before develop something, think If placed (The Right information | To the right people | At the Right time | In the Right place | With the Right context)