That's just the way the A.I. system works with giants. When the target is unreachable to the A.I. the option it chooses is to get out of range of the attacker and find something big enough to hide behind. You said that you where near Whiterun correct? If I remember correctly the area around...
When I was younger I used to indulge myself in many games! When I was around 7 I started with Mario and Legend of Zelda. Later I moved to Dreamcast, Nintendo 64, Playstation, and Sega Genesis. With that I got my fill of Megaman, Sonic, Tekken, Street Fighter, and a whole bunch of other games I...