I think it’s a good model in that it shows the timescales and the levels of resources that such a civilization would likely have access to, based on current (last 10 or so years) understanding of the universe.
Beaming software is also a way to save mass. It would also be a way to have “tourists”.
Details like the process for negotiating with aliens, assuming you even can build black holes or use them that way, etc are obviously highly unlikely to be correct.
I think it’s a good model in that it shows the timescales and the levels of resources that such a civilization would likely have access to, based on current (last 10 or so years) understanding of the universe.
Beaming software is also a way to save mass. It would also be a way to have “tourists”.
Details like the process for negotiating with aliens, assuming you even can build black holes or use them that way, etc are obviously highly unlikely to be correct.