Originally Posted by Sabardeyn
Theoretically Highlight off, Restrict To on, you would just get the equivalent of a colored Highlight off book display.
Am I missing something?
You are missing the fact that now your library is restricted to the saved search. The tag browser as well as all plugins are restricted to that view and can only act on the books in that restricted library. You have essentially created a virtual library within your larger library without having to maintain separate libraries.