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It’s not about fewer parties in elections, it’s about fewer parties in Parliament and quickly having a stable government.
Your link is written by an idiot.
In Germany you can still vote for a small party. If enough people do, the party gets 5%, or about 32 seats, which are enough MP’s to actually participate in the process without getting burned out.
We could also start in the Netherlands with 2%, which is 3 MP’s.
I think 4% (6 MP’s) would be better though.
Some people suck at their job.
It is what it is.
In any case, Germany will probably have a government within a month, two if things get crazy.
And that’s cold hard facts.