The mental image that produces in someone not fluent in Dutch:
https://cdn10.bigcommerce.com/s-x8dfmo/products/10767/images...
Edit: not saying your lying, just thinking it might be geo related sometimes?
Examples I remembered offhand: elektramat.nl, rvspaleis.nl
Those both list the price with VAT too, but the primary list price is without.
You'll find plenty of more examples e.g. if you think about what the house you're in is made of, and look for those materials in bulk. E.g. I-beams, pallets of wood, insulation etc.
I know that at least a few years ago they were actively and aggressively enforcing these kind of transparent pricing legislation, although I don't know the current situation, or what they do with tips sent to them.
Customer protections for online purchases are also great. The return policy for buying online is so much better than in person, I have friends who will purposefully browse in-store, then place an order on their phone and pick it up at the customer service counter 5 minutes later, solely to take advantage of the extra consumer protections. This is especially true for more expensive purchases like appliances (looking at you Mediamarkt)!