Sure just because you're highly skilled in a narrow field doesn't mean you're a better human. It sucks that because of media we relate these skills with human worthiness, but you can't say that competition at a high level is worthless because of these drawbacks.
There are good reasons to have highly competitive sports. It lets people see what our bodies and minds are capable of, and it helps gives us an identity as individuals and as humans. Not to mention that entertainment is not pointless. Unless you're only going to look at it from a philosophical perspective, then yeah, pretty much everything we do is meaningless.
You relate these skills with human worthiness because of your own innately competitive impulses. It's because of your own rationality. It's because of your own drive to achieve. It's because of your own drive to impress your peers (especially women if you are a man). It's not the media's fault.
There are good reasons to have highly competitive sports. It lets people see what our bodies and minds are capable of, and it helps gives us an identity as individuals and as humans. Not to mention that entertainment is not pointless. Unless you're only going to look at it from a philosophical perspective, then yeah, pretty much everything we do is meaningless.