The motivation is what matters for the folks calling it Orwellian. If someone is deleting their posts because the facts don't align to the worldview of a relig

The motivation is what matters for the folks calling it Orwellian. If someone is deleting their posts because the facts don't align to the worldview of a religion, a political party, a corporation or some other powerful group, many people will be more concerned about that than if the posts had been deleted for more routine, functional business reasons.