If you have several problems, I'm a proponent of solving the hardest ones first so you know you can actually solve them. Imagine building something over a long

If you have several problems, I'm a proponent of solving the hardest ones first so you know you can actually solve them. Imagine building something over a long haul, and putting off the really hard problem to show "progress," but when you get to the hard problem, it turns out your can't solve it the way you've built your system. Now you get to tear it all down and start again. This could be what your devs are doing by looking at edge cases more heavily.