After the 1.56 update still walking animation was replaced with a new anim/
https://www.youtube.com/watch?v=UEsa1Vdb0Xg

In the new walk-animation a units uses wider step. Long step.
In this case, the large groups of soldiers in "Safe" mode, moved too synchronized. It look as if the soldiers marching in military parade and try to be the same. This safe behavior looks is not realistic, especially if the number of soldiers in the squad is great (8-10-12 and more) and if units are close to each other.

I PROPOSE KEEP THE OLD ANIMATION ALSO AND MAKE BOTH ANIMATION(old and new) IS RANDOM.
In this case, the mixed walking, will look is perfect!