Everything can be reverted and/or stopped.
Some by the choice of people. Others by disasters and changes.
And all inevitably - at worst, through the heat death of the universe.
Not everything can be undone. Can you revert language? Maybe? But you can't take away the will to communicate which drives the creation of language.
Not everything can be undone. Can you revert language? Maybe? But you can't take away the will to communicate which drives the creation of language.