re "Did anyone sue for selling PET ROCKS?"
That's just your confusion rearing its ugly head again.
The article made no mention of anyone suing anyone.

"Did anyone sue for selling PET ROCKS?"
Hmm, maybe I don't know.

"Did anyone sue for selling PET ROCKS?"
Hmm, if you say so.

"Did anyone sue for selling PET ROCKS?"
Uhm, wherever you got that from is a scary place.

"Did anyone sue for selling PET ROCKS?"
Are you looking for a class action to join?