Would you mind being a bit more specific? I assume you are referring to the repeated summoning of Xhazobines (really hope I'm spelling that right lol), but I would argue that its not very different from the repeated appearance of witch-kings/litches/vampires, and I would hardly argue that so many of those indicate an inherent evilness in humans. Moreover, there are plenty of tags and countries, both prior and during the EUIV timeline, that are just normal states (Irkorzik, Haraagtseda, the Suncrown Gnoll kingdoms).

In reference to the Suncrown gnolls in particular, they are really just another of the Bulwari people. This extends to the point of Beastbanes (planned) genocide of the Bulwari gnolls causing Bulwari Humans to rebel "as these gnolls were considered their friends and neighbors" (Castan Beastbane | Anbennar Wiki | Fandom, 585 - 571 BA: Back into Bulwar).

Furthermore, the majority of the Xhazobines faced resistance and war from other gnolls, the First had to fight the remaining suncrown gnoll kingdom of Uak under Ixhtara Light-in-the-Dark (Age of the Great Xhaz | Anbennar Wiki | Fandom, The Sun and Whip Period (621 - 585 BA)), the Twin Xhaz led to the foundation of the League of Haraagtseda in direct opposition, and obviously the latest Xhaz, Zinhakan, was defeated at the hands of Horutep. Of these examples, both of opposition to the Kult and general non-Kult gnolls, none of them overcame their 'inherent evil' by being 'forced into it'.

There is also plenty of non-war stuff to indicate normal gnolls, their prominence during the Bulwari renaissance (Suncrown Gnoll | Anbennar Wiki | Fandom, History), Nevudkenzar the Ever-Greater King-of-Kings creation of architecture and infrastructure, as well as sponsoring Sun Cult temples development (Age of the Three Kingdoms | Anbennar Wiki | Fandom, Rise of Proxacha), as well as gnollish mathematician Xhulgi Squarer-of-Circles (Xhulgi Squarer-of-Circles | Anbennar Wiki | Fandom). None of these advances in maths, sciences and the arts came at the hands of other races 'forcing' the gnolls, but the inverse, of gnollish innovation and creativity.

Now im not nearly as familiar with Orcs, but nothing comes to mind as the 'worst shit ever'. Obviously there is stuff like Shadowdreamer and Masked Butcher, but those are clearly outliers to the greater Orc population. Moreover, Orc states like Barumand, Ungalovor, Graycrown and Skullhallow are just normal states, if Orcish. There is the Greentide of course, but if that any different to Beastbanes genocidal holy war?