As a Roblox developer (and player), it is currently too hard to impossible to take Captures that include BillboardGuis and Surface/AdGuis (though the latter isn’t really that important).
My game relies on a custom, BillboardGui based particle system to display tornadoes, which, for this reason, become invisible in captures. While sure, Print Screen and snipping tools do exist, you can’t take full screen screenshots that way without the CoreGui showing.
I also want to add a photography system, which would use the Captures API to take pictures, and then save them into your album, let you download it, and have it evaluated for points, but again, tornadoes would be invisible, so this system is currently impossible to implement.
For this reason, it would make sense to allow individual toggling of ScreenGuis, CoreGuis, BillboardGuis, SurfaceGuis and AdGuis in captures, rather than the current system, which only allows toggling of ScreenGuis.