You're becoming deliberately obtuse. We can develop intermediate range land based nuclear missiles until hell freezes over & gain nothing because our allies likely will not accept deployment on their territory. They're like "No, Donald, you're not painting a target on our backs." There's absolutely no point to deploying them in this country.
meanwhile, Trump threatens to disown any nuclear weapons treaties-
https://www.bbc.com/news/world-us-canada-45946930
It's one thing to upgrade hardware, which we are doing, & entirely another to make more. I'm having trouble figuring out why 5000 might not be enough.