John McGaw writes:

It has to be that these things are breeding. There used to be a joking
theory that wire coat hangers were reproducing and trying to take over
the world but it seems that computer cables are in the game now.

I remember a Garfield strip about that.

Do you find that your stock of cables is expanding without your
knowledge?

No. Especially the kind of cable I actually need is usually not anywhere
to be found. Or if I find one, it's sure to be too short or ridiculously
long.