The title of the review should say it all for you.
The structure of the sales organization is complex. This snowballs into additional issues such as coverage models. The model favors certain individuals instead of being focused on the prospects/customers.
New executive management has recently joined the company. Expect change on the horizon. Well thought out changes are needed and can't come soon enough.
Do your homework on any of the readily available websites and evaluate for yourself who is joining and who is moving on.