I was on a ferry from Barcelona to Mallorca. They had a movies, magazines and newspapers on what looks like an intranet app. It probably works the same way an airplane's in-flight entertainment.
A lot of your privacy related extensions are obsoleted by features in uBlock Origin.
Consent-O-Matic: use annoyances filter list
PopUpOFF: sounds useless, use filter list
Privacy Badger: sounds useless, use filter list
ClearURLs: use url cleaning filter list