Larry, there are real-world implications arising from these kinds of studies.
For example, taller people generally make more money than shorter people (this seems to be borne out by numerous surveys.)
There could be legal and social (and thus legislative) repercussions - imagine suing your employer because you think you are being discriminated against because you are short!
Then there is the biological. What is it about our built-in predilection towards tall and good-looking people? (Larry, don't pat yourself on the back just yet, one out of two ain't bad
) Does this bias serve an evolutionary purpose? If we understand what drives that, we learn a little bit more about ourselves as human beings.