1) This is very bad optics. People are still suffering from the attack and this looks like victim blaming.
2) I think MGM has a very good reason to file this lawsuit. MGM is not responsible for the attack and from all accounts was not negligent either. This will preemptively shield them from frivolous lawsuits that will just drag out the recovery for victims.
MGM Resorts International has filed federal lawsuits against more than 1,000 Las Vegas mass shooting victims in an effort to avoid liability.