It's been that bad that players quitted RaiderZ and felt that they have been wasting their time and money on glitches/bugs that is a gamebreaking.
I may not know how bad the situation is as I've been busy and haven't played for a week or so but I am definately sure that PWE staffs are aware of this issue
Roben has made a post with images showing that they are active on forums and reading all the posts/reports/tickets
Click this link
This stats stacking will be fixed tomorrow so stay tight and wait for the maintenance
Click on image to view the thread