Efficient implies cost-effective: government run garbage collection might be a reasonably high quality service but come at an unreasonably high price. It sounds like cost concerns were the motivation for the change in your example.
The protesters made it very clear that they preferred to pay more for the higher level of service.
But since this is a government run monopoly they don’t have that choice as individuals so instead they have to take political action.
Efficient implies cost-effective: government run garbage collection might be a reasonably high quality service but come at an unreasonably high price. It sounds like cost concerns were the motivation for the change in your example.
The protesters made it very clear that they preferred to pay more for the higher level of service.
But since this is a government run monopoly they don’t have that choice as individuals so instead they have to take political action.