Ok xd
I am going to defend the animators again...
If you think about it, this fight was happening at super-speeds! We, the lesser mortals without the Sharingan/Rinnegan should be able to see nothing at all! Remember Cell vs Goku when we could see random air balls around the scenery and assume it was Goku and Cell clashing in the air???
Consider this fight as a distorted vision due to high speeds... we should be glad we atleasT got to see something U_U