I think it is a great way to document what you have done too. Especially with larger setups this can be quite time-intensive.
Then add that you may want to dynamically reconfigure your systems to interact with each other and then Ansibles template-rendering comes in really handy.
Finally, it is standardized - so other peopke can work with it too (relevant in work context).
The location permission is needed to activate BLE and scan for other devices using low energy. Android things...