I think it’s understandable if some people are mad, but I wouldn’t throw them all into the conspiracy buckets.
You can still love Blizzard, love WoW, and think that BfA is lackluster. You can also think BfA is great, as some do. The feedback is always coming from a place of wanting to see the game be better.
8.1 won’t address all of the concerns, but it will address some of them. Is it enough? No of course not. There’s still a lot to do.
I see what you’re trying to say, but I don’t think assuming that anyone having anything negative to say automatically believes the idea that “WoW is being purposefully driven into the ground” is what you should be doing to try and get that across.