And does nothing you can't do yourself.
Also, from his website:
"I must warn you to NOT use all the settings at once, or simple remove everything from the MS Store. Many times this will debloat the install but will BREAK the MS Store or uninstall any games / apps that were installed using it. This is why this option is never selected, but I left it there for those that really want to remove it. I personally do NOT recommend this, but I understand those that want to remove it "