Good one. Those goofy-looking cartoony effects always bothered me. I hardly play marauder because of that, because you end up runing around shining like chistmass tree or something. No, seriously, what's up with that? I even wonder who looked at that and said "Yeah, now thats a look! Let's keep it like that!" Really strange decision.
It was said earlyer that effects there for a reason, and i get that, it's obvious, but do we really need that overwhelming effect on predation, for example? Yes, i can see it alright, but what am i supposed to do with that information? Imho it's noticable enough that they start moving faster and same goes for Force Speed from of Sorcerers and Assassins. And keep in mind that that's just one example and im almost sure that if you dig deeper into the issue more of actually pointless effects will appear.
All guns related classes shine way too much for regular dudes with guns too. Just quick example Lethality Operatives with their healing ability triggered by rolling around ( forget the actual names of abilities i hope you get what im talking about xD) so while proc is active you shine all green as if weed spirits have taken you. Why is it there? Information about that proc is in skill tree, i can read you know. And if i didn't pay attention to that i deserve all the consequences that comes with my willfull ignorance.
So as i see it, it's long overdue that somebody took care of that issue, one way or another. but something has to be done because a huge lot of it makes no sense