The disadvantage is that in terms of technology transfer may be transferred, not all. Convey only specific sections do not help achieve knowledge per subject, really.
A snapshot is a disadvantage in terms of technology transfer may be broadcast to no end. Broadcast contributed not only to contribute to knowledge production that really matter.
The overview is disadvantage in terms of technology transfer may convey to all. Convey only the cause is not the cause of knowledge about the production.