It's far more expensive, in the orbital mechanics sense, to do anything like that than to "simply"* nudge an end-of-life satellite just enough to push into the

It's far more expensive, in the orbital mechanics sense, to do anything like that than to "simply"* nudge an end-of-life satellite just enough to push into the atmosphere, when it's starting from an already-low orbit. *(The engineering here is not very simple)