There are many factors for this, and an excellent book I read a couple of years ago helps explaine some aspects.

"Murray contends that European civilization as it has historically existed will not survive. He explores two factors in explaining this: The first is the combination of mass migration of new peoples into Europe together with its low birth rates; the second is what Murray describes as "the fact that… at the same time Europe lost faith in its beliefs, traditions, and legitimacy"
aspects.https://en.m.wikipedia.org/wiki/The_Strange_Death_of_Europe
As for myself, I implemented 'plan B' a long time ago. Have an awesome day brother 🧡