It's a pretty safe assumption, yes. The German WP
doesn't keep articles
just because the subject is notable. If an article is too short, it
will get deleted unless someone expands it (IIRC a time limit of a few
days is quite common).
It seems to me that Swedish Wikipedia is quite the opposite - they
have over 100,000 articles mostly because of the huge amount of
Wikipedia, wolna encyklopedia