There had been non-Jedi/non-Sith dabbling with lightsabers a bit. General Grievous swung a bunch around like crazy. And I do recall there had been some kind of stick weapon that the lightsaber bounced off in the prequels.
But in Star Wars 7:
Finn (no-force) battles Kylo (Sith) to a draw even injuring Kylo with a lightsaber. This is the same Finn who almost gets dispatched by a simple stormtrooper with a lightsaber proof baton.
So if we have non-Jedi, non-Sith grabbing lightsabers and standing equal with Jedi and Sith, and every stormtrooper has an anti-lightsaber baton that they can just about beat a Jedi with, then in what sense is a Jedi with his lightsaber a fearsome sight?
Has anyone picked up on anything or heard Lucas or JJ talk about it or knows of good counter examples?