Why is your need for silence more important than other people's need to communicate?

Neither of those things are needs, it’s just wants and preferring your own wants over others is completely normal.

Imagine trying to live your life where other people’s desires by default overrode you own.

You do understand that one of those “needs”affects others around you, and one of them leaves them in peace, right? Also I’m sure parent wasn’t referring to emergency calls

It's actually against byelaws to play music or other loud sounds on transport in London and they can prosecute you if they so wished...

It's about acknowledging it's a shared resource and respecting the space. No loud noises, no littering, no being drunk etc

These days people act like they're the only ones travelling