human garbage
The effect of such tools depends on how neglected the system is. Probably he had A LOT to clean, so after a regular cleaning routine he was amazed by how everything is fast now.
On Windows, I could’ve probably bought it too for having startup+plugins+programs+cache in one window, since in later versions of Windows it’s too inconvinient.
It’s weird that CCleaner is trash but it’s still better than what MS suggests.
Now that I read it, I start to think some wiki-like engine with sorting by tags and with hyperlinks can be useful there. If you encounter that person you called like Jason a couple of times without remebering their name, you would be able to collext every piece of info about them if you queue Jason-guy. Hmmm.