For Germans, the reason is prosaic. The 5 rounds internal Olympic Qualification already started for , and the World Cup 2 (last weekend) and 3 (this weekend) are not counted. The opening stage of this years World Cup instead was counted as the first of the 5 counted events, so this is why for example Tasiadis decided to not compete last week in Bratislava and this weekend in Tacen.
He is just saving energy for more important races, since the fight between him and Anton is gonna to be really entertaining.
The same apply for and the internal qualifications already started, and the fatc that there is a lot in the game, is visible in the results of both nations, the athletes were too much nervous last week in Bratislava, which was their internal qualification start