No it's 100% these idiots pushing their fascist propaganda just like they tried to "rename" the Department of Defense to the Department of War. Most members of the military never even see actual fighting.
If you think a gender-neutral term used for decades within their own circles as a form of inclusive corporate-speak is "fascist propaganda" then I'm sorry to say you have serious issues.
It is not a Trumpism. As an example, it has been on Wiktionary since 2008, well before Trump.
https://en.wiktionary.org/w/index.php?title=warfighter&actio...