it makes no damn difference if they “just sell seats”. They are obviously the first source of information for what is required to board. And getting more information is what this post was for. Till it got littered with all these nonsense comments. Look, if you have some information, a link, etc… let’s have it.
that sounds like a likely policy as policy rarely makes sense. However, it’s not what American Airlines said. Gawd I wish these airlines would get together with themselves and jurisdictions and get this shit sorted out.