It's kind of à la mode. Nobody seems to be offended and look at it as a faux pas. In fact, some of us are trying to mimic it, so they can have a téte-à-téte with peers. Of course, this eventually will get into cul-de-sac. Because, plus ca change, plus c'est la même chose.
I don't know what I am talking about. But it's so cool to pile up a whole bunch of fancy words here you and I don't understand......