For all we know Samsung allowed for these files to get out. They know a pool of customers is unhappy. They made have provided just enough to shut down the hate.I think Samsung would have done something by now.
Don't think we have anything to worry about. But they are probably increasing security internally though to prevent these leaks from getting out.
Now we are not out of the woods because we can never upgrade our phones with a locked bootloader without safestrap like app