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.
This reminds me of secondary school, where the IT guy blocked UDP completely. WireGuard didn't work, HTTP3/QUIC didn't work, network time didn't work, and probably a bunch of other stuff.
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
"old generation" probably means generations of immigrants. 1.5th and 2nd generation immigrants are much different from native Indians, they are basically raised outside India and have non-Indian friends.