But wouldn't that make the one squeezing them out (often the pastor) the anus?
That part of the anatomy remains attached as a permanent fixture and remains caked with lingering stench and filth no matter how well intentioned its regular cleaning.
Unless one is on the payroll or holds some kind of position of responsibility in a particular congregation, there is nothing in Scripture saying you have to articulate any specific reason why you might decide to leave and go elsewhere.