That's actually one of the three issues with the Hadozee, and by far the most minor one, and the one WotC (for obvious reasons) did not address,. It certainly helped raise the other issues, but it very much was not the whole shemozzle.
The two big ones, which WotC did address were that:
A) The background of the new Hadozee in the new SJ did have them essentially as ex-slaves, just not quite as explicitly. This got errata'd.
Here's the original 5E new Spelljammer, in which they were essentially uplifted slave-soldiers:
View attachment 295301
Which got changed to:
View attachment 295302
The other main problem was the very "Minstrel"-esque (in the Black racial stereotype sense) art pieces of which there were a couple. I believe they've been removed from the digital version and future printings.
However I think what your main point is that people get a lot of their info from wikis today, and that's absolutely right.