We never found out who Mark was. Or what the problem with Rachel was. Or what and why behind and ahead of the pressure to meet either were in place. So going with not at all. They've literally described their job as having too much cruft that could have been partially solved by the non-existence of their role.
If they aren't doing this role, then each of the 10 people they directly manage will end up doing 20% of it, and there will be another 30% that no one does and causes large but untraceable-to-this-absence issues in a year.
Well at least it led to you finally creating an account on HN. Welcome!