I once worked for a team was historically over worked, that had changed recently for the better, but the team culture was still pretty stressed and nose to the grind stone. We were working to bring that down, but it takes time.

The offices were being renovated and our team was moved next to HR.

HR formally complained (apparently there was a process... where HR sent some sort of complaint to ... HR) that the team sitting next to them was not very friendly.

Before what I can only imagine would have been a horrific joint team meeting / culture clash could occur, someone very smart put the kibosh on the complaint / meeting ....

The culture / work experience differences were extreme.