Earlier quoted context omitted.
This obscures the tax burden from the end user, transparently blending it with the price of the goods and the merchant's profit. Consumers should be consciously aware of the split.
Why? The business is built on infrastructure that is paid for with taxes. Tax is included in all end user prices in every European country I’m aware of.
They are not congruent.
Taxes in Europe are also much higher in general. Perhaps this is a result of obscuring the amounts in the advertised prices—it never raises to the level of conscious consideration of the tax burden at point of purchase.