I think there are a number of little Ribbentrops running around. But Molotov hasn't found a good enough deal yet.
If Estonia or any member-state was invaded and Article V was not invoked, NATO will fall apart. If it fails once, the alliance will no longer exist.
If you look at the funding of far-right parties in Europe - where's the money coming? We do know that 9 million euros was given by Russia, through a Czech bank, to [French National Front leader] Marine Le Pen. We know that this is not an isolated case. This is happening elsewhere.
As for the European far left, it has very little to do with Marxism-Leninism these days. It has more to do with anti-Semitism, racism, anti-migration. They claim to be left-wing but they're espousing positions which would actually be classically brown.