I agree that guests and hosts are complaining equally for one-sided, biased relations with each other, convinced that Airbnb is taking of the correctness of just one side. I think much of the misunderstanding and faults could be avoided if the real human factor takes place in the rating of Airbnb properties offered to guests.
I think guests as well as hosts could give their views on how this is possible to be implemented. One way the problem could be delted with is through an Airbnb team appointed to rating the properties, all of them - not only the Plus ones. Obviously photographers should provide not only still pictures to the team, but also word description and even film-moving pictures=
Now the situation is ridiculous - hosts insist they do deserve 5-stars because they were right in their description, or vice versa - they deserve it if they correct their description to accurately represent what is the situation in the property, i.e. - not having AC in hot weather is not a point to have at least one star removed in reviews since you indicated in the description that the flat is without AC, ect. Once this is done - there will not be either 5-stars or any other - meaning - failing, as it is now the situation. And perhaps all hosts should be obliged to go through the evaluation at least once in 3 years, paying for the photographer,s work.
I think there must be special category - unusual airbnb,s - for islands, hucks, and again one for castles, ect. For them the 5-stars rating have different meaning.