What do you mean, use it to our advantage?

Optimus is a war machine. I say we point him in the right direction.

give him full armament and then unleash him upon the Predacons.

If we want the antivirus, that is the only way to get it.

Hey, hey, hey, hey, yeah, normally I would love to see the Preds get their little steam tossed right back at them, but you're forgetting just one little thing.

Oh, and that would be...

Optimus would get blown to scrap.

Big problem