What is a single word used for describing a case where something is easier to create than to destroy. Which is the opposite of something that is harder to create than destroy (e.g creating a RC plane is hard but destroying it is easy).
Consider nearly irrevocable or almost irreversible (or "almost beyond recall").
"irrevocable" definition: not able to be revoked, changed, or undone. It mainly applies to decisions.
"irreversible" definition: that cannot be reversed or changed back. It mainly applies to actions or permanent damages.