It's reasonable for employees to feel this way. You have to draw the line somewhere if you don't want to be a company that makes tools of war and I have no problem with them drawing the line at anything that can be used as a component of any offensive system, period.
i7 7700kK @4.2ghz
16GB DDR4 3200mhz
GeForce 1080 Ti
Taxes>black budget>funding terrorism and oppression>need to fight said terror and oppression>need for weapons>need for funding>taxes
It's a mainly a US thing but others do it too. War for profit.
Many of the largest manufacturers are where they are becasue of military/weapons, even if they "just make planes" like Boeing. Many of the names aren't common to average people but the companies they own are, many made possible becasue of weapons.
I was actually speaking metaphorically, but I suppose that works, too.