I dont understand this change, what exactly does it do?
Blitzkrieg doesn't make the tanks faster anymore. They accalerate faster and get to their (normal) top speed quicker whilst having
Edit: A skilled player might use this to efficently flank while stop to accuratly shoot at the same time, as the accelaration is so high that he can whizz off right after the shot.
Edit2: 0.75 rec acc is worse than 0.5