Person who blocks unions, severance pay and pay increases for workers at his companies at every opportunity. Who is also being sued in multiple courts for violation of current labour and discrimination laws thinks that he and other capitalists will usher in a utopia with high income for all...
Details at 11.
From everything we know interstellar travel in less than generational time scales is all but impossible.
The only thing that is more improbable from our current knowledge of physics is...travel back in time.
Occam's razor: The explanation that requires the fewest assumptions is usually correct.
So we have three possibilities.
A foreign power
Aliens
Time Travel.
...
The boring reality is that it is the first one. A foreign power.