Twitter and Facebook blocked Donald Trump's posts and suspended his account. There is no doubt that the political career of the still-president of the United States is undemocratic.
However, public institutions, and not corporations, should be the ones ensuring the preservation of democracy. In that sense, as pleasant and fair as it may seem to censor Donald Trump amid an instigation to a coup d'état, it is a dangerous precedent.
It sounds obvious, but it is not superfluous to repeat it: Twitter and Facebook are political actors. There are machines behind the algorithms’ opacity and the publication and segmentation logic, but there are also people with economic and political interests.