Both of those shortcuts will be nerfed ASAP
They will probably just remove those imps kills being counted for trash %For Kara, they can add an internal timer for boss to start doing normal combat moves after X number of secs players land on the ship.
ive been doing that in cath for a while and you dont have to have those CC either, i did it with a DH stun+ shaman lightning surge.
This is actually joke, yesterday I was after months with my alt in the pug grp level +18 Court and we didn't even able to complete it. Nowadays if you have done level +20 you are ranked on the ~15 000 place and some people are not able to complete weekly best and now we can see how two groups in the EU have done +28.