This was actually a huge problem for us in Dota 1, when we played in DIPS ... We have talked about what everyone should practice more and for me it was not a gameplay problem but more of a temper ...
But all the things we thought were executed so well in Dota 1, we don't see where it makes a lot of sense ... any DotA player can tell you that Dota 2 has a more synchronised animation, a smoother ...