Rogues for the longest time, had a 10 second stunlock. (4sec cheapshot + 6sec kidney) that they could do every 20 seconds, untalented.
Our class has a 5.5 second stunlock (1.5knockdown+4sec kick), that we can do every 45 seconds, untalented.
Rogues had a stunlock nearly double our duration with half the cooldown duration.
Oh, and they also had sprint, constant 70% crip, wound poison to kill healers, and countless other tools that are lacking for this class.
If you want to count in vanish to add in another 1.5sec, you can do the same on the rogue as well.