I think it's a bit of, "Be the change you want to see". It may not be a bad thing to get tech folk with sense into these roles. They probably tend to have enough of a cushion to be able to refuse unethical work without worrying about the immediate consequences.

NASA had a nationalist origin and has always kept those undertones even in the modern day, but I don't think anyone's ever accused it of being partisan. I don't believe many Americans associate NASA with any particular president, except maybe JFK, and I don't believe they'd conflate working for NASA with working for Trump.