According to Spazzy, they are supposed to be used offensively. The best way to counter mindless trolling is to make it easy, not harder, to disrupt the charge for a jump, which you can do by allowing CDs to disrupt them, as is currently the case. It would also make the payoff for a successful combat application of the device feel way more rewarding if it was a challenge to pull off and encourages team play and coordination.
