He was only exposed to european competition early because he is european
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It's a consensus that Ligue 1 is mediocre and the Bundesliga is terrible, when was the last time a team from germany did well even in the europa league besides Bayern and Dortmund? It's as much of a farmer's league as Ligue 1.
"A South American team has not won a WC since Brazil 2002" yeah that's 3 world cups and Argentina was in the final in the last one, one Higuaín fukk up away from winning it but that's besides the point and probably the weakest argument, Neymar wasn't even playing in that game and Germany had 7 players from Bayern starting, one from Arsenal, one from Real Madrid, one from Lazio, only Howedes, the weakest link, played in the Bundesliga and was not a Bayern player.
Or maybe because there's more money in europe
That's the absolutely best team from europe, what's even your point?
A top team in south america would never come close to losing a league to Tolouse, Frankfurt, Hamburg, Lille and other shytty teams like these.