From what i remember of the stats, there was a downtrend of upwards of 80% of the participating pvpers during wod, then legion "balanced pvp" which barely any actual pvpers want. The people that never pvp want it, which tends to be most of reddit so wont get much response to that one here, and the very high end is fine with it as well, but the bulk of people that played it in the past want their ego trip mode.

Point being, the bulk of who used to pvp have had it shit for 3 seasons now, thats currently 5 years+. Itll probably never go back to being good again, they've created a new audience they have to cater to over those 5 years, and catering to them pisses off the players of old