Governments will always expand their size and remit if given a chance, so we need a strong opposing force from people who understand the cost and trade-offs, to keep them in check.
There’s an optimal ratio of public servants to support private employees in an economy, and going beyond that becomes a drain on our finances, productivity and people’s personal freedoms.
Australia’s public sector isn’t just ‘a bit big’, its gotten way out of hand:

When the government touts low unemployment figures, they’re not telling the whole story.
Private sector jobs are a sign of success, both an indicator and driver of prosperity, but more jobs in the public sector are a net drain. Stop pouring our tax money into public jobs:

Adding jobs to the public sector has negative effects including:
If you find yourself in a hole, first stop digging. We then need to start aggressively trimming the fat. A leaner, more efficient government could get the same results with half the staff.