Originally Posted by SensualPoet
Deleting the stylesheet in an ePub destroys the ePub -- let's not beat around the bush! You end up with one long text file. That is no longer an "e-book", it's an "e-text".
I think you are been a bit sensationalist there; all that dropping the Stylesheet does is to remove the overrides to standard formats, and of course any custom formating classes that have been added.
All other aspects of the eBook stay as they are.