It does, especially at the scale of operating systems. Bugs and vulnerabilities are always being found, with fewer and fewer people in the pool that might even

It does, especially at the scale of operating systems. Bugs and vulnerabilities are always being found, with fewer and fewer people in the pool that might even theoretically want to pay for fixing them. Also, hardware does deteriorate, and the story is the same for adding software support for whatever is currently available in hardware.