You can't prevent your opponent from outguessing you, but you can make it harder - using missiles/torps makes it easier because if you use them you are adding another item onto your priorities list. The more priorities you have per turn complicates what you have to do, making you more predictable for the early game. Now, Target Locks are easy enough to make - and Black Wolf rightly points out that the XX-23 card is going to be a thing for Alpha Strike lists - but they also cost you precious actions, you will then not have to maneuver or for defensive boosts. On top of that, unless you are fielding Nera Dantels (we will see if she comes back or not), most missiles/torps require you to use your front arc, even if you are target locked, so that is another exploit if you just know how.
But I always welcome the option that I am wrong about such things ...