Who the fuck would pay for that, when WinDirStat, KDirStat, and Grand Perspective are all free, and far more powerful, while still being quite easy to use.
It seems to get mentioned EVERYWHERE, but it offers nothing compelling.
I fixed that for you, you forgot for a moment that your subjective ranking of software features is not a perfectly objective metric that holds for all humans.
Personally, I prefer Daisy Disk because it it fast, well designed, and I find it easier to reason with its representation of space used.
It seems to get mentioned EVERYWHERE, but it offers nothing compelling.