With the proliferation or races, finishing an Ironman doesn't have the same cache it used to. Furthermore, the fact that half or more the people who actually are doing it are old enough to be grandparents has demystified the accomplishment for younger folks. And while the older generation is so fixated on IM's and HIM's, short course racing, which would be more accessible to somebody still in the family formation and career building stage of their life, is struggling to stay afloat.
"They're made of latex, not nitroglycerin"
"They're made of latex, not nitroglycerin"