The Sith fighting defensively as well is kind of my point.

Peelee brought up the destructive potential of lightsabers as a counterpoint too my argument that Dorce lightning is inherently Darkside because it has only harmful applications under normal circumstances.

I countered with the Lightsaber's defensive applications and the fact that everyone fights defensively with them.

As for why the Jedi have them? They're not just monks, they're peacekeepers.

What's a better way to keep the piece than with a weapon that bypasses most defenses while allowing you to easily parry, block, deflect, or reflect the troublemaker's own weapon.

And if someone is too dangerous to bring in alive? It might not be pretty, but it'll be quick.