Some people consider talking loudly on a mobile phone on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider eating smelly food on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider reading big newspapers on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider playing music out loud on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider taking up more than one seat with bags etc on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider dropping litter on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
Some people consider drinking alcohol on a bus/tube to be annoying and antisocial, others (especially those that do it) don't care.
What makes you choose some things to be acceptable, and others not to be? The most compelling facts, figures, statistics, whatever in the world probably wouldn't make you change your mind if you really cannot see how something might affect or upset other people.