But it would put some people in the tax department out of work, so even if hypothetically a more efficient tax scheme would let you grow the government as a whole, the current people in the tax department have an incentive to not let that happen.

> But it would put some people in the tax department out of work

Or, not; alternatively, it would allow the IRS to be more responsive in its supportive activities and more effective in its enforcement activities.

Cutting staff is a separate decision from streamlining the rules; the IRS hasn't had staffing expanded to keep workload constant when we weren't simplifying, there is no inherent reason it would ha r to cut staff and keep workload constant if we were simplifying.