Most jobs -- teachers, auto workers, plumbers, farmers -- have a natural ceiling on employment related to demand, but goon jobs don't because when one side hires more goons, the other side has to also. Militaries have created millions of jobs this way.
Goon jobs are not just blue-collar. A growing category of goon that allows unlimited highly paid professional job creation is inter-governmental lawyers. For example, the CA government is suing the EPA about vehicle emissions limits. Both sides can justify a big budget for hiring lawyers. Metropolitan areas like the Bay Area provide lots of opportunities for cities to sue each other, transit authorities, and the state. I don't see any upper limit to the number of jobs this can create.
All this is only a bad thing if you care about efficiency. If you let go of that axiom, there are unlimited jobs to be created.