I've spent a whole lot of hrs. in trees where I could keep my eye on a scrape. Vast majority of them without seeing any deer.
That being said, the next time I go in the woods..hopefully this afternoon or in the morning if the rain stops..I'll be sitting over a scrape.
I don't hunt scrapes nearly as much as I used to, but when I run across one that is has been tended freshly after a rain or between my passings, I'll hunt it.
If it's got big, fresh, rubs around, I can't help myself. The one I'm going to hunt now has and even gobs of white oak acorns falling on top of it.