The accumulation of capital involves the expansion of value over time.
All rent is based on the monopoly power of private owners of certain portions of the globe.
But planned obsolescence is possible only if the rate of technological change is contained.
Rampant inflation is just as hard to live with as the devaluation of commodities.
The ultimate Form of devaluation is military confrontation and global war.
If all money capital invests in appropriation and none in actual production, then capitalism is not long for this world.