I've posted before how I saved a previous employer millions of dollars. That was mostly during the 3-9 month period after I joined. Their response was...nothing

I've posted before how I saved a previous employer millions of dollars. That was mostly during the 3-9 month period after I joined. Their response was...nothing. After a bunch of politicking, I got offered a promotion doing work I didn't want to do, with a timeline of getting promoted about 9 more months after my major accomplishment. And companies wonder why their best employees leave.