Dave, by your logic, a witbier ( often called a Belgian White ale) sounds kinda silly as a “Belgian Black White ale”. So of course it’s a misnomer, and is also dyed black for the sake of color.
Secondly, I’ve heard the American Stout argument ad nauseum. As someone who brews American Stout every year, there are few similarities other than color. American Stout is assertively roasty and (per guidelines) in aroma and flavor, and may have medium to very low late hop aroma. Black IPA has slight to no roast character and high hop flavor and high hop aroma. Not just semantics IMO. Not many people who try Wookey jack would confuse it with American Stout.
Lastly, I brewed maybe 4 or 5 black IPAs total, and posted today with tongue FIRMLY in cheek. :) People should brew whatever sounds good to them, not us anyway.