If this could happen could that happen;...? NO !

and for the reason you stated. There are none. There is little point making what if proposals based on a myth.
Yes also to ejecting mater at light speed. Not a possible act unless the space itself was doing the expanding thing... and its not. In this case.
In this nonexistent white hole... How would there be a event Harrison?
You can not mix this sort of half truth with science fact and expect us to agree... we do not know your rules. Do better to move away from science fiction and onto science fact. Its easer