They just didn’t.
They argued that we have a legal duty to ensure that those awaiting a decision on an asylum application are not made homeless. Nothing at all to do with the rights of local people.
The Justices found that the original Judge had failed to consider this and that it is, in their opinion, the overriding consideration.
They also criticised the basis of the case brought by the local council, saying they had failed to respond to a change of use planning request for over a year, when a reply within 8 weeks is required. If they had responded promptly none of this would have happened.
So the appeal was allowed on 2 grounds.
Musk needs to keep both his nose and his money out of British politics or he might suffer the ignominy of having his platform’s access stymied.