rust is currently making its way into linux kernel, core contributors even did rust conf talks...windows already has rust going into kernel and core libraries, osx is also adopting rust, its making its way into all those 'foundational works' you're talking about.. so i'm pretty confused what you are saying
US healthcare industry needs to drop more non-essential workers, and invest more in workers that produce value. the industry is so bloated no wonder its costs are high. Just to get my ears checked i had to be processed by 6 different people including phone systems doing precheck-ins. one person does the actual work!
I dont know if you are reading this but you should see if your insurance will cover an omnipod. it is a million times better than the insulin pump you are using