The Five Furies: idea

[Strider]

or that it be limited to one use per system.

[Tanelorn]

I just defeated a massive demolisher armada by jumping in, furying a ship, jumping out, repeat.

Definitely cheap when you can hyperdrive / fold.

[Foosnark]

There is at least a rumor that you don't get any points for enemies blown up by the Furies. I haven't tested it myself, but since reading that I've used the gong a lot less.