Likes are illegal, too. Last year, police searched the homes of people because they clicked the like button on a social media post that insulted a killed police woman. [1] The court deemed the likes as endorsements of a crime, which is illegal. [2]

[1] https://www.golem.de/news/durchsuchungen-wegen-hassrede-ein-... [2] https://www.gesetze-im-internet.de/stgb/__140.html