Yea OK Russians and Americans had that shithole of a country on a leash for like 60 years (and they still do)
https://en.wikipedia.org/wiki/Flight_and_expulsion_of_Germans_(1944–1950)
You're overreacting calm down, even if his policies inadvertently cause the stuff you mentioned to occur I'm sure he'll reactively make some alterations to them (even doe it won't)