They do at least make it available online. But I agree that the artificial scarcity is scummy.
If you don’t have plans to travel to Amsterdam any time soon, you will still have a chance to get in on the artsy action via the Pokémon Center online storefront.
A range of Pokémon x Van Gogh products, though not the entire collection, will go live on the Pokémon Center and be available for purchase while supplies last. This includes a number of art prints, figures, and more.
The Pikachu with Felt Hat promo card will be given out as a gift to users who purchase products from this collab collection—again, while supplies last. It is likely that you will only get one Pikachu promo per order as a way to send as many cards out to as many people as possible.