But why would i say false? All Cabernet Sauvignon's come from the same grape so they should all taste the same. Well, no, there are several other factors that determine taste.
1. Soil that the vines grow in. The grapes will pick up different tastes from different types of soil.
2. Temperature and other environmental factors such as rainfall and sunshine.
These things make up what is called "terroir" and it does affect how the grape matures.
Next time you purchase a wine, try the same varietal from another geographic area. You will be surprised at the difference. Or, maybe not.