i don't get it

when people on tv and in films say, "nice to meet you 'person's full name'" when meeting someone for the first time.

i have never said, or felt inclined to say, "nice to meet you Jason Winters" when i first met the imaginary boy Jason Winters. and i don't think anyone has ever said that to me and thank goodness for that because it would creep me out if they did. i'm prone to thinking that normal people would just say my first name or a simple, "nice to meet you". and while i'm sure the first person who used that line intended it to be cute and flirty or something, it's unfortunately no longer cute and flirty.