You're missing that JJ probably doesn't have the many millions of lab tests for every talc batch sold to prove they're asbestos free. If they did they wouldn't

You're missing that JJ probably doesn't have the many millions of lab tests for every talc batch sold to prove they're asbestos free. If they did they wouldn't be arguing they're asbestos free, they'd be proving it and suing the talc researchers for libel.