@dangoodin @arstechnica @AAKL
I'm happy to admit that I was wrong. Here it is not just about limitations tho of applicability. Besides the highly access controlled R&D labs I could imagine educational institutes using PXE for perhaps computer classes.
Even in Universities, the research groups that work with private sector usually the valuable R&D work is protected with planned security policies and access control. Probably a network that could be hacked with PXE vuln would be broken to start with and there would be multiple exploitation techniques in the toolbox.
In the end even for black hatters robbery is business and you tend to prefer tools and techniques which are hard to detect and easy to turn into profit in high volumes.