Originally Posted by
Attilargh
The ease of getting a high UtF modifier at first level has been mentioned, but I think it bears repeating. Because really, especially the mookier enemies just don't have the Defenses to stand against a Jedi with a Focus. For example, a Sith Trooper's Will is a lowly 10. I know mooks are supposed to be easy prey for Mind Tricks and such, but not even having to roll is a tad too easy.
In the game I run, I personally decided to take the easy way out and ban Skill Focus on Use the Force. It's not the most elegant of approaches, but it works.