Joachim Low's men were expected to see off the threat of the African side with ease, but laboured to a 2-1 extra-time victory in Porto Alegre to set up an enticing last eight clash with France.
"Would you rather we played beautiful football but got knocked out?" he said to ZDF television, visibly frustrated by the critical line of questioning.
"I don't know what you want from me - do you think that just Mickey Mouse teams are involved in the last 16?
"All that matters is we're in the quarter-finals."
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