What I gather from the article is that one of the parties, more on the right, called for ending the experiment. Parties call for things all the time. I would a

What I gather from the article is that one of the parties, more on the right, called for ending the experiment. Parties call for things all the time. I would assume this is just a public outcoming: to stop the trial would probably need a similar vote from the same council of people who voted to start the trial.