Previously we would know the default instructions in a players role, now we have to guess it. Some how we are being told "ok, you are the managers but you can only tweak what WE (we, at SI) think you can tweak. I understand that many people had a lot of trouble dealing with the previous system (sliders and notches) and maybe SI thought that it would help ending it by not allowing a free customizing of the tactic. The idea seems good, the result... not so good or at least it needs a lot of improvement. Then we have situations that needs some clarification. For example: why must we choose a FB with an attacking role to get him crossing from a deeper position ? Why can this FB cut inside but an Inside Forward can't ? Why can't we choose to instruct our player to not cross at all ?
Not to mention, bad explanations and translations in the description of the player roles