If their claim is so preposterous then why are they providing sources and you’re not. Writing longer and longer walls of text and being more and more disrespectful isn’t going to convince anyone. If you have evidence just provide it instead of insisting is exists.
Pretty sure Apple just packaged shit other companies made with extraordinary marketing. Like the ipod circle everybody went nuts for they settled a lawsuit with creative because of patent infringement. I actually had a creative zen and loved it because it didn’t have Apple software trying to control my music library.
Does it communicate via usb with the camera? If so it is probably because it uses webusb which is not implemented in Firefox https://caniuse.com/?search=webusb