I don't know, lots of these monstrous races are highly antagonistic to the common races.
Kobolds are in awe of and in thrall to evil chromatic dragons. People that have suffered dragon attacks have suffered kobolds. They're not going to be treated much better than Sazza. You'd need to do a whole heap of story-gymnastics to make it plausible.
If they clean-slated it in a new setting, sure. But for FR? nah, not really in favour.
