You're just shifting around a bunch of numbers temporarily to make a bunch of money for someone and lose a bunch for someone else.
Lots of shit we do is well-paid and unproductive.
If, as a species, we eliminated all bullshit jobs, there's a good chance only 20-30% of the species would be working. Here in America, only around 50% of people are actually working. Everyone else is in school, or retired.