They leave it up to a court to decide if there was a problem.
I think the closest you get to an admission of fault is the language used in recalls, and even in those the language will be carefully chosen and reviewed by lawyers. They will NEVER say anything like "the battery in this product has ballooned up and exploded, grounding planes and burning children". At best they go "There may be an issue with the battery in this product", and that's not even the language they use, just what I vaguely remember.
''All he would have to do is hire an attorney, sue the Coca-Cola Company, and he would win,'' said Mr. Franklin, the author of a standard textbook on personal-injury law. ''The only question is how much he would win.''"
https://www.nytimes.com/1990/05/24/business/problems-pop-up-...
Do they teach this in marketing school or do you pick up this kind of passive, responsibility-avoidance on the job?