Sounds like a very hostile environment. In my team we learn from each other and have fun doing so. Some times managers do things to shake things up a bit. Some

Sounds like a very hostile environment. In my team we learn from each other and have fun doing so. Some times managers do things to shake things up a bit. Some times they are right, some times they are wrong just like ordinary humans. But what it takes to ruin the environment is not always a poor manager but just one stubborn grumpy senior dev who refuses to comply, and get some people along with him.