IT’S NOT EVEN THE SPACE GARBAGE SCOW FROM QUARK: Obamacare Is No Starship Enterprise.

In the last week of September, the disastrous results of the project’s inept management and execution were becoming fully apparent. The agency pressed CGI to explain why a performance test showed that the site could not handle more than 500 simultaneous users. The response once again exhibited the blame-shifting that had plagued the project for months.

“We have not identified any inefficient and defective code,” a CGI executive responded in an email to federal project managers, pointing again to database technology that the Medicare agency had ordered it to use as the culprit, at least in part.

The technocratic idea is that you put a bunch of smart, competent people in government — folks who really want the thing to work — and they’ll make it happen. But “smart, competent people” are not a generic quantity; they’re incredibly domain-specific. Most academics couldn’t run a lemonade stand. Most successful entrepreneurs wouldn’t be able to muster the monomaniacal devotion needed to get a Ph.D. Neither group produces many folks who can consistently generate readable, engaging writing on a deadline. And none of us would be able to win a campaign for Congress.

Yet in my experience, the majority of people in these domains think that they could do everyone else’s job better, if they weren’t so busy with whatever it is they’re doing so well. It’s the illusion of omnicompetence, and in the case of HealthCare.gov, it seems to have been nearly fatal.

Yes, only Obama is a better speechwriter than his speechwriters, a better political adviser than his political advisers, a better pastry chef than the White House pastry chef . . . Ordinary mortals have limitations, and often aren’t aware of them.