Actually not true. Most of the ultra orthodox are exempted from service and are a huge source of the support for continued military operations. Because they don’t have to actually put themselves at risk.
It’s been the primary source of netenyahu’s ability to stay in power.
https://www.bbc.com/news/articles/cly580gkd9ro
https://www.npr.org/2026/05/12/g-s1-121631/israel-military-u...