This doesn't happen to me much anymore, but I still see it happen to others. It's pretty funny, because how oblivious the person is to the irony of what they are doing. We should be more careful, even when talking to someone near a praying person, because concentration in prayer is essential and it is elusive once lost. Allah says in the Quran, "Successful indeed are the believers. Those who offer their Salat (prayers) with all solemnity and full submissiveness" (23:1-2). So why would we make it harder for someone to achieve this? That'd be pretty messed up if you ask me.
In the comments, have you ever had an experience like this? Tell us about it.
