What a Sales Engineer says when he/she assumes a solution to solve a highly complex problem will actually work. The solution always ends up working when these words are uttered during a customer call.
Customer: Are you sure this derived credential solution that has never been tested in production will actually work with our use case?
Sales Engineer: It should just work.
To have no skill or natural ability in the task you are fixing to do but having the ability to make everyone around you think that you do also when giving speeches that you just made up