Airlines need to print the article as pre-flight handouts to hen/stag parties. That'l keep them quiet
Should be on the boarding pass for all...
Instead at the moment you have to delve deep into T&C's
For example, Easyjet:
18. Conduct Onboard and at the Airport and the Right to Refuse Carriage
18.1
General Requirements
18.1.1 Passengers are reminded that in accordance with Applicable Law, the captain is in command of the aircraft and every person on board shall obey his or her lawful commands. All Our captains are given authority to direct Passengers who misbehave, are disruptive, or otherwise cause problems to resolve the issues as best they can in all the circumstances. This may include the use of physical restraint and, where possible, removal from the Flight of such persons.
18.1.2 If You conduct Yourself on board the aircraft or at the airport so as to:
(a) endanger the aircraft or any person or property on board or at the airport; and/or
(b) obstruct the crew or Airport Staff in the performance of their duties; and/or
(c) fail to comply with any instruction of the crew or Airport Staff; and/or
(d) use any threatening, abusive or insulting words towards the crew or Airport Staff or behave in any of these ways towards the crew or Airport Staff; and/or
(e) behave in a disorderly, unpredictable, unsafe or aggressive manner or in a manner to which another Passenger may reasonably object,
We may take such measures as We deem necessary to prevent continuation of such conduct, including Your restraint or removal from the aircraft or the airport, as well as termination of Your continued travel on a Flight. You may be prosecuted for offences committed on board the aircraft or at the airport. You will be liable to Us for all costs arising from Your improper conduct on board the aircraft or at the airport. If a diversion has been necessitated by a Passenger’s behaviour, resolution of the issue may involve handing over those Passengers to security or legal enforcement agents at the diversion point.
18.1.3 If as a result of Your conduct We decide to divert the aircraft for the purpose of offloading You, then You must pay to Us all costs and expenses which We incur of any nature whatsoever as a result of, or arising out of, that diversion. If a passenger causes any damage whatsoever or his or her actions cause easyJet to incur any costs, easyJet will hold that person or persons liable for any costs, damages or resulting liabilities incurred. Any such costs incurred by Us as a result of the provisions in this Article 18.1.3 may be levied on You via deduction of such costs from the credit card or debit card used to make Your Booking