Well, Aradin was an idiot for sure ...
And pathetic one for that matter, what were chasing him was barely worth a sweat.
BUT!
Looking at things from his perspective, the Groove is the only fortification in the area ...
Feels like he didnt have much other options. :-/
//Edit:
All he cares about is himself and - to an extent - his minions.
Fun fact ...
Same could be told about both Zevlor and Kagha ... coincidence?