Basically, a continuity error is when writers make up a fact that contradicts something that has already been established in an earlier episode.CommanderRaytas said:
Why? I honestly don't get the difference, then.
A plot hole is a fundamental flaw in an episode that leaves an essential element unexplained.
				


 Human nature will never change. It's impossible. Have we changed that much from humans of a millennium ago? No? So why should we believe future humans will be any different from us?