They don't really have a choice in the matter.
"I was following orders" is not a justification for committing crimes, but "I don't want to" is not a justification for not following lawful orders.
If you have actual reason to believe removing "DEI" from a drop down list on a website is not a lawful order, I would love to hear it. But you don't, which is why you're talking about soldiers and war crimes and trying to frame this as "an enemy...domestic" and not talking about what it is - changing text on websites.
And also: There are an unusually larger number of actual HN angles going on in this particular new administration. This article is clearly relevant to this forum, and so is the recent Wired article about the DOGE employees.