"An article on Groklaw by the programmer who headed the porting effort suggests that AutoZone did not use SCO libraries on Linux, and this is quite plausible. However this would imply that there is no case, so I am going to take the hypothetical case were it has been established that AutoZone (or some other SCO to Linux migrator) had used the SCO libraries on the Linux box.
"From a moral viewpoint, the SCO groups action is more vindictive than justified. The libraries in question are by no means necessary, they do not do anything that cannot be achieved just as well, if not better, by libraries on the Linux system. The primary reason anybody would want to use the SCO libraries is because they have software that has been developed and debugged on the SCO system and thus it is easier to take the whole bundle rather than split it up and recreate and test new interfaces..."