They check, and certainly take advantage of the nature of questions asked...they just choose not to answer some of them yet, for their own reasons we may not fathom, being short of the informations or limitations they have!
As Luthier recently stated, they know everything there is to know about how to make SoW great: they are not blind, they are not deaf...but OK, they are mute
Nothing to worry about methinks...
JV