On Veteran they do hit it out, as long as you play a good shot. Same with Legend, it's just less. If you paint the lines with your shots, unforced errors do happen. Approaching the net at the right time and putting pressure on them also forces unforced errors.
In this game you are rewarded for making the right play, and sometimes that involves taking risks. I know that I have to pick and choose when I use the aggressive shot, but will take that risk if it means painting the line on a cross court shot to get it by the CPU, or atleast making them lunge into a forced lob.
I like the challenge of the higher levels. They are beatable, but it still takes strategy. I find that playing Goffin feels different than Nadal. I'm not too prideful to say that playing Nadal on Legend I am getting creamed, I am having a hard time getting the ball by him.