I think the main thing about Kinetic Driver is that it can reduce the amount of defense your opponent can build for next turn by sniping Blastforges. From that perspective it's like sacrificing it to construct Gauss Charges (G. Symbiote), only the amount of attack depends on how much your opponent relies on walls, and which walls are in the supply. If your opponent defends with Polywalls, this can be pretty brutal, and if he doesn't buy a "reserve" Blastforge until your Driver is about to time out, it can totally be worth it to sac it one turn early. In games with super breach vulnerable units, getting a bunch of drivers might be interesting/force your opponent to overdefend.
Other than that, blocking core units seems like it can be good, especially the ones which are important to get in specific turns, like Antima, Centurion, Defense Grid, or Arka Sodara.
But even if you don't have any plans for it, simply building a Gauss Canon for 5$, attacking 6 times and then sacrificing it to snipe an Animus for 4$ seems like decent value.