The current state of formal German will surely not be the end of history.
See https://de.wikipedia.org/wiki/Leerzeichen_in_Komposita#Gesch... (Might need Google Translate, if you don't speak German.)
Hyphens or spaces are still better than those long words...
Just be glad you ain't learning Turkish or Finnish, though.
Source: Learned it as an adult myself.