Ms. le Pen may not win this time, but she will one day. A correctly timed scandal or major terrorist attack in the second round may sink her opponent. Moscow, London and Washington are hard at work with her, to make this happen. When she, or someone like her, wins in either France or Germany, the EU comes to an end.
It is very difficult for me to understand what strategic goal the new White House administration intends to achieve by disintegrating the EU and thereby pushing parts of it from the American to the Russian sphere of influence, but I'm sure they have thought this through very carefully.