Or just separate them from the Horde to their own faction.
How many times do they need to apologize for their actions? the Wrathgate, BfA...
Ewww... where is it said?
It totally butchers the Forsaken identity.
In the past, Alonsus Faol was the exception.
Now, he is the rule.
What good are Forsaken if they're not evil?
Exactly.
Nothing connects the Blood elves to the Horde other than their former affiliation with Sylvanas (and fel influence, like the Orcs, which have overcome).
Saying the Blood elves are an unwanted and hunted race would be weird.