The point is the legal system can (legislatively) be manipulated beyond the moral issues of protecting ‘victims’ to strange logic used to to allow access to ‘deep pockets’ despite a lack of direct culpability or criminal intent. In this respect, the ‘gun thing’ is exactly the same issue regarding the legal system.
I honestly don’t see how they would have any legal standing even if they were legal resident aliens or citizens. But people want gun manufacturers allowed to be sued for criminal actions and misuse of their products by other people so...