I am just waiting for the newspaper competition of fill in the thought bubble: Tell me again why I should spend less time with the people I love and more time with strangers?
etiquette involved in martyrdom and suffering seems superfluous to many. The use of phone booths could be subject to an ant informed analysis, predating Dr Who and the TARDIS, the need to have a booth compensated for the vulnerability of the technology and the quality of the connection. Arguably such factors helped to create the expectation that calls occur privately. Current advances in audibility and portability may be aiding and abetting the publicly displayed intimacies that others find surprizing if not offensive.