Deliaskis I don't think they are a joke as such, just a bit ridiculous. Even the commentators for the Jenny Jones medal event had no clue who had performed better than anyone else or what the judges were going to give, and at least one of them competes in that event. If the judges seem to be choosing who they like best on the basis of 'style', well that's not really a sport.
If the rules are pretty much made up as they go along, I don't think its credible as a sport, however much training or effort it requires.
Women's sport should be more on TV - Yes. Especially relatively successful and accessible sports like cricket, rugby, netball, basketball. I'm not bothered if elitist and apparently made up 'sports' like skicross don't get loads of coverage.