After the Alliance Hunt started and the disciples from the various allied sects made their way to the Guiyao planet, the majority of them were focused on killing the beasts and collecting their heads.
There was also a portion of the disciples who robbed others of their spoils. Those who were luckier had only been robbed. The unlucky ones were killed right away.
And it was because of this that the beasts were not the only things they had to deal with on the Guiyao planet; they also had to deal with the threat that their fellow disciples posed.
The ranking for the hunt was decided based on a point system.
However, although the robberies were occurring, they only happened amongst disciples of the same level of training. This was because they could only obtain spoils that were useful to themselves if they robbed someone of the same level of training.
