Shaving of players, deposits, or adding extra numbers as players (to keep affiliate interested and keep them sending traffic) to affiliate accounts is possible on all software. To say that it is impossible to do on a particular software is absurd. Accessibility to the functions to do it may differ on different programs and software though.
It doesn’t come down to the software, but the integrity of the operator. Why people continue to work with operators who have a proven track record of being dishonest continues to amaze me, you are asking to be burnt.
I am sure most us can name at least 1 or 2 casino for each of the below software who has shaved/altered their stats.
MGS
Playtech
RTG