Not really unfair, as the basic use case is still the same for either model.
A toilet from a hundred years ago in the same product tier serves the same function as one today. Old models were also more expensive when adjusted for inflation, but today's toilets can tackle more turds with less water.
A toilet from a hundred years ago in the same product tier serves the same function as one today. Old models were also more expensive when adjusted for inflation, but today's toilets can tackle more turds with less water.