Izotope has a very informative document that is one of the best introductory text about mastering that I've found. It's free and very useful even if you don't own Ozone:


Mastering with Ozone:
http://www.izotope.com/products/audio/ozone/support.asp#guides

Here's what they say about presets:

"The difficult part of mastering (and trying to create a guide like this) is that every effect, setting, and parameter is entirely dependent on the content of the mix, the genre, the desired result, etc. With this in mind, we don’t believe in products that fool you into thinking you can just select the “Hot Pop Master!” preset and you’re done."

They designed the preset system just as start point that some users can find useful (and I suppose that there are also some marketing considerations behind that).

I think the same could be said about other mastering suites, as T-racks.

BIAB 2024, latest build.