Core sets design

I think the reason why some classes are struggling is due to the lack of support their core sets have granted in this year, specifically with warlock priest, on the other hand some classes core is significantly better than other like rogue (who have lost shadow step already which is insane)

Most classes have only 2-3 cards viable in their core sets but rogue got a lot, plus the legendaries they put in the core pool are mostly trash, just look at the priest and warlock legendaries those two are the real joke xD

I remembered devs said that core set will remain flexible throughout the year, but ever since that statement was made I honestly cannot remember a time they changed it, maybe once, but the balance strategy seems weird and did not work at all

I guess some classes are just should be better than other