No, I don't think it's about apps modifying the root store used by Firefox. Rather, it's about well-intentioned apps using Mozilla's root store in their own ht

No, I don't think it's about apps modifying the root store used by Firefox. Rather, it's about well-intentioned apps using Mozilla's root store in their own https client, but doing it incorrectly so they don't get the security guarantees they think they are getting.