I suspect OP mean declining fertility rate. USA population is still increasing, but is slowing down, and will sharply drop if the fertility rate remains below replacement of ~2 children per woman.
You're moving the goalposts. There's tons we can do to improve US healthcare outcomes (we overspend compared to what we get [1]) by emulating what has succeeded in other countries. But that conversation and solution is different than "nobody has healthcare".
As to defense, I live here, as do the majority of the people I love and like. It's in my interest to have my country continue to exist as a sovereign nation with the ability to defend itself from foreign adversaries.
My understanding is that picked fruits and veg are still alive [1], and often respirating [2]. This is a big component in figuring out how to refrigerate them at the optimal temperatures and atmospheric makeup.
I'm mostly cheering for more competition in the field. No reason for advances in life-changing technical progress to belong solely to that one company.