I make a habit of packing a T2 Warp Disruption Field with my scout ships. There comes a time when, lets say, you have baited an ishtar off a wormhole using a Nereus. Just for argument's sakes. And you've got him tackled nine ways to sunday but you don't have a dictor. So you can anchor the bubble and punt him inside it, kill him, and get the pod.
It's cruel if you use T1 bubbles, see. They have such a long anchoring time.