2 things! You need to keep in mind that browsing is a very imperfect function. You might only be able to browse some of their files sometimes or even none at all. That doesn't mean they're not sharing. Too many people make this mistake of judgement. And yes, those that show the chat icon in the upld or downld windows are easiest to browse. And it's also easier to browse from the downld window compared to the search results.

The freeloader slider doesn't work! And i don't know how effective the other is. But i did notice it worked when i changed it several times last year.