SNCF has confirmed the issuance of the fine but has raised questions about the details provided by David. Although there is no specific law against loudspeaker usage in public spaces in France, existing noise control regulations allow for penalties if one disturbs the peace on public transport. Public sentiment reveals a strong disapproval of loudphone calls in shared spaces; a recent YouGov survey found 86% of respondents in Great Britain find loudspeaker calls unacceptable in public areas.

Countries worldwide adopt varying strategies to manage public phone etiquette. UK train operators, such as London North Eastern Railway, commonly provide designated "quiet coaches" where maintaining silence is encouraged. Similarly, Trenitalia offers a quiet area for passengers seeking a noise-free travel experience. Meanwhile, cultural norms in Japan strongly discourage loud phone conversations in public transport settings, while South Korea advises passengers to keep phone conversations discreet. The incident raises important questions about noise regulations and etiquette in public settings, highlighting the ongoing balancing act between personal communication and communal peace.