Regardless, here’s hoping that Heavy Young Heathens are able to get some measure of satisfaction for the work that they did.
Hollywood is a competitive enough industry when things aren’t going your way; people should be able to enjoy the fruit of their successes when people get a lucky break.
Think they have a case?
If anything, this seems straight-forward enough that Warner Brothers Entertainment will likely choose to settle out of court, depriving me of the enjoyment of reading court transcripts where professional musicians make guitar noises with their mouth to try and articulate why two tracks sound eerily similar.