Not entirely. TWF isn't supposed to get twice as many attacks as the other two styles until epic levels. Even if you sped up the other two animations by 20-30% to get somewhere in the neighborhood of where they should be relative to TWF, you are still giving TWF more attacks at the higher attack bonuses than they would normally get. Four out of 10 attacks at the highest bonus vs 3 out of 9 if implemented PnP style
There is no question that TWF needed a boost many mods ago. However, if they had just followed the PnP progression TWF would still have ended up on the top of the food chain, and it would have avoided some of the extra power creep. There would be less of a discussion for the need to bring the other two styles up to par.
Either way, i'd be fine if they just sped up the other two to their appropriate speeds and kept it at that.