[brinox]

I can only speak for Germany, where it's definitely not.

[orangepanda]

Can you cite a law?

For future reference.

[jotaen]

E.g. §5 UWG [1], the law against unfair business practices (“unlauterer Wettbewerb”). See also [2].

[1] https://www.gesetze-im-internet.de/uwg_2004/__5.html

[2] https://de.wikipedia.org/wiki/Unlauterer_Wettbewerb