That sounds like a very smart move at the time where Europe realize the US isn't such a gray partner and it's trying to reduce it's critical dependencies on foreign nations tech and infra. Good job.
I'm actually very surprised to see this from the germans who have this reputation of great engineering culture

I don't think it is. There are many many cases where you do want to own them.
The people you rent yours from are making a shit load of money so it doesn't sound that bad of an idea