If you consider the potential its possible the german players are gonna be better, but as of know i can not grasp how you could rate the germans better. They have one Superstar, one player the scores at 0.5 ppg and the others are unproven but very talented players, who havent stepped on NHL ice yet. On the swiss side we got Fiala (0.8 ppg in last 2 seasons), Hischier as a smart two way center (0.63 PPG in his Career/coming back of injury), Niederreiter the workhourse with 0.5 ppg over 657 nhl games, Timo Meier with 0.59 over his career, Kurashev who finished his rookie season with 0.34 ppg (tied for 3rd place compared to German NHL players), and last but not least we got Hofman a skilled speedy winger who just signed in Columbus, remains to be seen what he can do.
Looking at all the players today, i cannot see the german 6 being better than the swiss. The future possibly looks different, depending on the development of these german players.
Would be more interesting to have a poll for the full roster best on best. As of now i think switzerland has still the better roster (on paper), but obviously its always hard fought battle at any tournament, anyone can win.