There are many cons to working here, but it is absolutely worth knowing what you're getting into before starting here as this facility, if nothing changes, can take its toll on your mental health.
That said, if you are someone who struggles mentally, do not expect your manager to be empathetic. Instead they may say: "on those days you just have to try harder" and will not ask what they can do to help you.
Management will likely not be able to help in the physical sense either as they do not have the skill set to do so. They cannot step in to train or lend helping hand when short staffed. Management will also say that they are there for you, but will do nothing to permanently resolve any concerns. They display obvious favoritism to some individuals and will believe hearsay. This favoritism will let some individuals get away with certain things, but not others. The office environment felt a bit like high school. The team had a very closed-off group dynamic which can make communicating difficult. These concerns can be brought up to HR, however, they will likely be unhelpful and recommend you try discussing things with the manager again.
If you start off in one position and are growing in the field and switch to a different position, you will likely not get the support required to help you succeed. Since the manager is not trained in the field and there is no onboarding for someone who switches positions, they will put this onto someone else who does not want to train anyone and therefore you will be set up for failure.
The same can also be said about the supervisor. They are not trained appropriately and cannot step into specific roles to help when the team is in need.