The military thing is a much bigger flywheel. A lot of technology really comes out of military research or is supported in key ways by military projects.

Healthcare was similar until the wage stagnation really started impacting the ability to deliver service. It went from 9% of GDP in 1970 to 19% today, supported by payroll that has risen way under inflation.

About 20% of the US economy is killing people, 20% healing people, and the rest is everything else.