And they can get into a problem for that.
The Spanish Law, for example, not only holds the authors responsible for opinions expressed in chats and public Internet sites, but also the owners of the sites where these opinions are expressed. Behaviors such as incitement to violence, discrimination or bullying are expressly prohibited on the internet.
There are also new rules that protect consumers of online games, both in the EU and in the USA. Some of these rules conflict with the Terms of Service that you "accepted". But no private agreement can override a right that has been established by the general interest.