Every author/developer does their testing differently … there is a recent thread active that discusses this more in detail. To answer your question: It is not bad or good.
If you have questions about an entire public beta and how it works (as well as all the benefits) I am sure @Havenstone would be happy to help … his published game was done in an entire public beta fashion.
Edit: Here is a relevant post by him - the links in it should give you a way forward if you have more questions: