I somehow believe ze Germans are doing this on purpose to scare the Spaniards and hope they give their all and beat Japan to not risk it. Or even better troll them in last minute and let Costa Rica win and take Spain down with them too.
dunno buddy, peak fitness might be a stretch, there are way too many injuries to begin with, and when top league teams just finished a run of ~2 months with matches every 3-4 days, it's hard to talk about peak fitness