Aha. Well that’s no different from any other public service, subsidy, or restriction then. The “leverage” is voting, the specific content of legislation/regulation, and the legal system, and if those don’t work mass protest.
For instance, “the ruling classes” could just as easily decide tomorrow to cut road maintenance, police response to violent crime, fire departments, emergency rooms, public schools, food stamps, public pension plans, access to parks, agricultural subsidies, grants for scientific research, government-backed loan programs, access to wifi spectrum, air pollution controls, carefully controlled monetary policy, bank deposit insurance, ....