The only real thing that it explains is that she was one of the most ill-suited people on the island to be there.
I'm not sure where Yellow Thing has heard these so-called 'fans' that put her on a pedestal for being a tactical genius, but they're kind of batshit to be thinking along those lines. As pointed out, she had one tactical move that worked out for her, then was a huge mess all over the place.
Wish I had a river
I could skate away on