New comment by mamins1376 on void-packages repository

https://github.com/void-linux/void-packages/pull/12974#issuecomment-510327657
Comment:
@CameronNemo: Originally I was using the solution you mentioned. Then I saw `alsa-util`'s and found that pretty clever, with the added bonus of having the store and restore in one directory.

Is there any doc's indicating the downsides? Why this is not applied to `ALSA`?