if you have the common dmg/lifesteal build as a BD odds are you will die against a DK almost always as without counter and under silence you aren't doing the damage you used to, not to mention if the DK has any stats to block/parry your normal attacks or skills you are basically just a practice doll for those hits until they kill you. DK is a very overpowered class and does need nerfs as mentioned by others, I won't pretend to know what their skills do to offer suggestions as I don't play the class and don't know their full mechanics. The silence itself doesn't bother me as a BD 1v1 only when it's arena when you have others hitting you while under said silence (especially dps) but the heal is OP af and needs to be reviewed.
The new cd skill of BD is basically trash so I get why some will want counter back, everyone switched to rush over it which you hear complains about it's stun duration but it's also fully countered by barbs, dks, shamans, necros and warlocks.
I do have issues with the magic classes of MC however as (correct me on any points if i'm wrong here anyone with said chars) as all of the classes; warlock, necro and shamans have very potent skills that do not miss in pvp and i'm guessing pve to some extent (minus boss reists); those being necros insanely long stun, warlocks pools (those not so bad as can avoid them so not targeting that class really) and shamans blind skill, which the latter I do know raises your dodge. Theres alot of MCs running around with little to no accuracy in their builds and if stacking cd can cycle those skills as they ignore your resistances and without counter and rush being countered by those skills there is no option other than to get hit with their other magic skills (which don't have this issues) until you are dead, not counting them being able to blind/stun > heal should you manage to catch them during the frenzy of magic.
This is again coming from an elf only perspective.