Hmmmm.. I read it a couple of times to wrap my head around what you're saying. So, what you're saying is that since there is a limit on the speed of the transfer of information, then that's the ultimate limit for any file transfer. Correct?
Well, if that's the case, then you're not too far from physics says. So, for example, if, for whatever reason, the sun just vanishes into nothingness, the we'll keep seeing it for 8.5 minutes and we won't know about it at all. 8.5 minutes later *poof* the world goes dark and we're flung onto a tangent to the orbit on a straight line until some other big celestial body affects us. So, if you're looking from a birdseye view from way above, you'll see the sun vanish, then all the planet sequentially leave their orbits, not all at the same time. That's the speed of information right there.
So yes, the file transfer that contains the fact that the sun with all its mass had vanished runs at the speed of light. But that's an unrealistic scenario. So, maybe because the real information transfer that ensues because the sun suddenly vanished can't be transferred at the speed of light for the world to be affected. The information there is bigger than a file transfer at the speed of light. Maybe that's why it never happens. 🤔