Why do you need to pass that person?

1) You're coming up to the last stop light prior to your needing to turn
right.  The light turns red, there is one person in front of you who has
been going a reasonable 5 mph over the limit.  You notice that the left
lane is clear, so you cut over - knowing full well that when the light
turns green, you intend to try to pass that person in the right lane,
cut over, hit your brakes, and make your right turn.
 - ????? Why ????? -

2) It's rush hour.  Everyone is going about the same reasonable speed of
about 5 mph over the limit, so the excuse "they're driving too slow" is
not applicable.  You're approaching a red light on a two-lane road that
you know is about to merge into one lane shortly after the light (right
lane ends).  1, 2, or maybe 3 cars are already stopped in the left lane
and the right lane is clear.  Why do you pull up in the right lane
intending to pass and get in front of those 1, 2, 3, or more cars that
got there before you?  Do you realize that the Internet wouldn't work if
the bits that make up these messages had the same disrespect for basic
queuing theory?

- confused