Only if poorly managed. It's 4000 objects in an area greater than the surface of the Earth - so still very sparse. And they're low enough to deorbit from drag

Only if poorly managed. It's 4000 objects in an area greater than the surface of the Earth - so still very sparse. And they're low enough to deorbit from drag in 7 years, so if something did get lost or blow up, it would fix itself naturally.