Can't answer directly as I'm part of minerstat team.
However, I can say why dedicated OS is better than Windows.
Mostly no (or very little) manual interaction with the system as everything comes prepacked and prepared as part of the installation.
+ No Windows updates
+ No Windows defender
Yes, there is an advantage on dedicated OS and every on of them costs (win can be free as you probably know).
Personally I use both (Linux and windows) and each has its advantages (much better support for drivers on Win)
Part about updates and defender is not an advantage for Linux but rather pre prepared OS with everything you need for mining