Yeah, I have seen this replacement floated. If it works for you, awesome. But the issue for me, why this isn't a LaunchPad replacement, is because it still forces the alphabetical view. You can't rearrange the icons as you please, or arrange them into subfolders. (Well you can actually move the apps into subfolders and that will be reflected, but LaunchPad allowed you to do it without actually changing where the apps live on disk. I use Homebrew's cask functionality to manage app updates, so having the apps live in different folders would add further complication...)