Most things of significant mass are in stable orbits or they wouldn't be there for very long. Regional sats like the one from Dish are in GSO way away, so they don't really matter. The problem is that Dish didn't have a disposal plan for this satellite. It's mostly when operators create clouds of junk, especially fragments from unnecessary collisions that cross other orbits, that pose a threat to lives and property. It's good to require operators to have a deorbit or parking orbit plan.
The biggest threat is LEO-crossing MMOD, which is why crewed craft have hundreds of Whipple shielding configurations to choose from for a given application.
This isn't a problem in need of solving in such a deliberate, costly, and arbitrary manner. Instead, the solutions are holistic: don't create debris that poses a risk to LEO, have a decommissioning plan for GSO objects, and protect what needs protecting by defensive spacecraft design.
Edit: The Kosmos 2251/Iridium 33 collision was reckless operation by the Russians leaving space junk in LEO.