Cf. by any stretch of the imagination: as much as anyone could imagine; as much as is imaginable. (often negative.)
- I don't see how anyone by any stretch of the imagination could fail to understand what my last sentence meant.
it's not a stretch to V:
- In the context of a social network, it is not a stretch to conceive of virtual gifts as important objects, especially as their availability can be strictly limited.
not a stretch is a reference to stretching your imagination─to think something that is a little, but not very far, outside conventional thoughts. Here it means "it'not difficult."
2. Michael Boylan, Public Health Policy and Ethics, ...
( ... ) Patients, then, are in the position of once again being manipulated by an entity that they have every reason to trust, based on traditional sentiments about the role of advocacy. It is not a stretch to imagine that as advocacy groups become funders of industry research, they too will be bound by some contract arrangements that may restrict full disclosure of research findings. Indeed, advocacy groups themselves are not well-served by unsatisfactory research results in the endeavors they support, and may also have some interest in emphasizing positive versus negative outcomes. In this environment, advocacy groups' purported single-minded pursuit of patient interest cannot be relied upon when conflicts of influence arise.