...with open trapezoidal braces?..you're going to translate those racking forces into eccentric loading right at the middle of your the columns, where they're most vulnerable, and even worse, those moments will be inducing the same rotation throughout the entire structure...
...my hypothesis is that this frame was engineered by a cow who has everyone fooled that he knows what he's doing...
...sounds like a great plan for waking up in the worst toilet in scotland...