On: macOS screenshot tricks to impress your co-workers

[hbn]

There isn't that much practical reason to include the shadow though. In fact it tends to just make the important stuff smaller when sharing with someone because there's a bunch of border space surrounding the content, and whatever they're viewing in will show all of that unless they zoom in.

[chrisseaton → hbn]

There's no contrast between a white window and a white background if you don't have the shadow.