Certain creatures like Gigas and Manas are outright useless now for PvE because of the extreme nerfs done to them. Games like Destiny do this same thing where a small portion of PvP players cry about certain weapons or armor because someone is better than them, so the company makes it worthless to everyone, rather than just to PvP. Back to the creatures of ARK, the giga specifically is a cool creature in need of some TLC, but is quite literally nothing more than a waste of time and valuable resources on every map besides Extinction, and even then you need to have a good high level male and female, and selectively breed multiple generations, which depending on server stats can take hours to literal months, all because a handful of neckbeards were mad that someone beat them in a video game