Yeah, jumping/hopping sure do look odd in GES. But its one of those things that add so many new elements to gameplay(specially maps) that it sort of has to be there. But servers can turn it off, and we try to design maps where they work when jumping is turned off.
Bunny hopping is drastically lowered in GE:S compared to other games, since we have the jump timer. Buttill a more effective solution is drawn up, it will do for now.
But I agree, I hate jumpers. VC, and KM will hopefully soon fix that little issue.