There was this and stuff from Frigates of EVE.
The SCC also makes available life insurance and financing of static backup clones for space crews on highly favorable terms.
-Article
Today many public figures, politicians, actors, heads of state, and other celebrities have the option to effectively insure their lives with an almost criminally expensive cloning contract that enables them to safeguard their future.
Similarly, most military personnel who serve as crew onboard vessels belonging to the various navies of New Eden are mandated to fly with a basic clone that is backed up every three months at the end of their service rotation. This means that if they are killed in the field, they lose a maximum of three months’ memory and training, and can be redeployed into service as soon as they have been assigned to a replacement vessel.
-Frigates of EVE
So it is certainly in use in some places. But why it hasn’t really come up in the news for the deaths of major figures (beyond various special reasons why they couldn’t clone, like Heth’s disease, Gariushi’s having all his clones in one station, and Sacred Flesh for Amarr), I don’t know.