This is actually the reason why taxes don’t increase luxury item costs as the cost is set to the market demand rather than from supply. In fact, the benefits from taxes help people afford more products in a virtuous cycle. It’s also the reason tariffs or taxes on raw goods are so bad as you actually are creating dead weight loss and driving down demand which can be useful or detrimental depending on why someone needs that product.
This is why Worker and Consumer Cooperatives are so vital.