They're all poor and backwards, stinking up the eastern half of the continent. Can you imagine if Germans, Dutchies or French people inhabited all of Poland, Ukraine, the Balkans and so on?

European economy and scientific advancements would literally quadruple, finally there'd be good roads and they'd make the place livable. Slavs are just simply inferior to Western Europeans in every way.
>b-but what about Czechia and Slovenia
Irrelevant, their source of wealth is directly connected to their country's proximity to Austria and Germany.