This seems like lots of camp-fire speculation in awe of the night sky.
Before discussing what might be different with our "truth" and alien "truth" we should first define what we mean by "truth".
What if there is a War of Worlds? And we win. But according to the "alien truth" they win. This kind of thing seems to be going on some TV-channels already, The notion of "facts" is diluted by claiming that "We have alternate facts". "We have alternate electors". That just means it is unclear to many people what facts and truth mean and it is easy to misguide them.
Before discussing what might be different with our "truth" and alien "truth" we should first define what we mean by "truth".
What if there is a War of Worlds? And we win. But according to the "alien truth" they win. This kind of thing seems to be going on some TV-channels already, The notion of "facts" is diluted by claiming that "We have alternate facts". "We have alternate electors". That just means it is unclear to many people what facts and truth mean and it is easy to misguide them.