Originally Posted by Captain Schmidt

There's clearly a difference between making unsubstantiated claims about things like safety records and people voicing opinion of what an awful carrier Ryanair is based on personal experience.
The former is clearly getting into dangerous territory and could clearly lead to legal remedies to protect the airline's reputation and ultimately its income and in my opinion it is fair for the airline to take an necessary steps to do so.
The latter however is and always will remain fair game.