Sorry you took our warnings that way. We all want to see chickens properly cared for and to not see newbies get into trouble.
I HATE prefab coop makers for misleading new chicken owners and giving them unrealistic expectations.
Raccoons are almost strictly night-time predators. Where are you located? That makes a big difference for which predators you may be dealing with. Adding your general location to your profile will make it easier for people to offer constructive answers.
---
Unfortunately, I have to echo...