WOW Legion: Class changes - WTF Blizzard ???

I've made a small list with the class changes in WOW Legion. I've also added some personal opinion, because one of them really made me angry, but you will see. 

Tell me what you think in the comments below :)

Class changes in WOW Legion:

• Hunter
• Warlock
• Frost DK
• Priest
• Rogue