>flunkies, who serve to make their superiors feel important, e.g., receptionists, administrative assistants, door attendants, makers of websites whose sites neglect ease of use and speed for looks;
They serve, hence, not a bullshit job. We might look down on it, but they are providing value to their employer. Sadly perhaps, humans are just deeply subjective. See again my religion example. Also, this seems really dismissive of receptionists/PAs. These people do a lot of real work.
>goons, who act to harm or deceive others on behalf of their employer, e.g., lobbyists, corporate lawyers, telemarketers, public relations specialists, community managers;
Not very nice no, but again they provide value to their bosses. Probably to themselves too.
>duct tapers, who temporarily fix problems that could be fixed permanently, e.g., programmers repairing bloated code, airline desk staff who calm passengers whose bags do not arrive;
This just seems to be naïve idealism.
>box tickers, who create the appearance that something useful is being done when it is not, e.g., survey administrators, in-house magazine journalists, corporate compliance officers, quality service managers;
Here it gets interesting. These people may actually be the first that don't provide value, but trick others into thinking they do.
>taskmasters, who manage—or create extra work for—those who do not need it, e.g., middle management, leadership professionals.
This is a mix of dumb (mis)managers, and malicious time wasters. I think it's obvious that a lot of resources of all kinds are wasted by inefficiencies caused by stupidity. That's a human (as in, we as a species) problem. Then there's malice, which fits into the "tricks others into believing they provide value" category.
Anyway, that's just my take on it.