Before you read this : Yes. I am repeating myself.
Some folks might remember when Yahoo! had a folder like structure. A sort of hierarchy, where everything was sorted according to a category, a subcategory, and a sub-subcategory. Naturally, they had a fallback wildcard search too. As it turns out, the wildcard search became quite popular. At some point, I believe the search engine was Google.
Now, the filtering in Ocularis is certainly not Google, but the point is that sometimes a linear search gets you where you want to be faster than going through folders (I have folders on dh0: but I often resort to search anyways).
Here’s a contrived example: