I’d rather be squeezed into a diamond, but that’s just me.
We’re not the first society to have grappled with the problem of laying the dead to rest in dignity and the finite nature of real estate. See Japan and Germany. A few blankets, personal trinkets, and some bird feathers in a hole covered with dirt was a serviceable solution for a very long time.
The cemeteries in New Orleans - kind of like this too.