If it's a problem you're having with a Digital Tutors tutorial, why not post about it on the Digital Tutors forum? For the price they charge you may as well get your money's worth.
You say you're watching a tutorial on remesh. But you're talking about using dynamesh. Both remesh and dynamesh are a tool in zbrush, but they're both different tools. If you want you dynamesh to be more accurate use the build in projection option to make it more accurate, also remember that the higher the resolution the…
I said I needed to get past using just dynamesh and sculpting :P as in, use other things. Video is from digital tutors unfortunately, Quick Start to Zbrush V. 1
What you're getting is (and has always been) your standard Remesh All result. It's not clean and its not consistent. It's always just a blob that needs to be projected and cleaned. If you're using Digital Tutors, you can see this same kind of result in the "Remeshing Geometry" video from the 'Quick Start to ZBrush: Volume…