"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." -Manuel II Paleologus
Of course, these "novelty taxes" will produce decreasing returns over time but the programs they fund will persist like zombies after attatching themselves to the bureaucratic system.
Novelty taxes, over time, create persistent demands on the state's budget. The demands are quickly generalized in the budget and passed on to every taxpayer.
A vote for a "novelty tax" is a vote which eventually raises everyone's taxes across the board.
The process is accelerated by politicians' tendencies to spend $3.00 for every dollar collected.
Oh, yes, how does this story end?
A leader comes forth to rescue the "people" from "the greedy rich". The ancient name for this inevitable "great leader" is "tyrant". You know, "Ein Folk, ein Reich, ein Führer!" Those greedy rich, so often Jews, don't you know.