This is why you need various manipulation* techniques: religion (to decrease the fear of death), patriotism, anger, glorification of war and heroism... I sometimes wonder if maybe the poor state of modern education is not just incompetence or a result of a cynical idea "stupid society is easier to control", but instead someone analyzed that an intelligent society would become atheist/cynical/pragmatic etc. resulting in severly decreased motivation to fight for the government.

* I think the word "manipulation" implies an intent to mislead someone, while some techniques influencing others are used by people unaware of the effects or (in)correctness of the propaganda; maybe rather than "manipulation" I should say "indoctrination".

If you look back at history mankind seems quite naturally inclined towards fighting wars. The manipulation techniques are more needed to maintain peace.

Indeed if you look at our closest animal relatives, the chimps, they are quite inclined to wipe out their neighbours without needing religion or cash payment.

As with many things Gen Z is leading the way in breaking the mold (in a good way in my opinion)

[1]:https://www.wavy.com/news/military/u-s-military-sees-record-...

Your speech targeted at young men with no family and children, so they may think that they protect "wealth".

I think it's seldom to protect other peoples wealth. I'm trying to think of an example where that was the case. More typically, as a Brit our last big war was fighting Hitler as we didn't like fascism and that. It was very costly for us wealth wise compared with say making a pact with him as he would have liked.