Agree. I am running 70(low para) with crap gear T1 with the charge build. Tried running WW (w/o wrath and COTA) and it took forever to clear bosses. Switched it up to Frenzy, and some minor modification and its much more manageable single target for the bot, and still destroys trash with the chain Furious Charges (fueled by merciless).
I was lucky enough to nab the revised "the undisputed champion" so frenzy runs with all runes.
Trinity in default settings seems to manage furious charge amazingly well- except on single targets. Sometimes it lets the charge sit when I would rather it blow the uses on the Rift Guardian for bonus damage.
I am fairly new to barb, but apparently you can animation cancel furious charge I think, via mapping something to a keybind, haven't fully investigated that though.