Orbital death is not a failure; it is policy by design. Many satellites are placed on paths where drag from the upper atmosphere will slowly drain their energy and pull them back until friction with air molecules tears them apart in a brief reentry flare.
The blunt truth is that keeping hardware in space forever is a bad bargain. A satellite that never decays becomes debris the moment it stops working, and orbital debris raises collision probability for every functioning spacecraft. Kessler syndrome, the runaway chain of impacts that could fill low orbit with shrapnel, is not science fiction but a calculated engineering risk. By choosing orbits with natural orbital decay, operators build in a disposal plan that steadily cleans the traffic lanes instead of clogging them.
There is also an accounting logic at work. Station‑keeping burns to hold a satellite in a near‑eternal orbit demand propellant mass, which cuts into payload and revenue. Design for atmospheric drag and controlled reentry, and that same mass can support instruments, antennas, or power instead. Regulatory pressure pushes in the same direction: space agencies and insurers now expect a post‑mission disposal strategy, often defined by a maximum orbital lifetime. Better to let the atmosphere act as a free, global incinerator than to turn near‑Earth space into an unmanaged junkyard.