Consumers are revolting against payment processors who seek to ban adult-themed Steam games, movies, and art. A Change.org petition aimed at Visa and Mastercard is rapidly gaining support. Its organizers also wish to limit the power of activist groups that influence these companies.
Might depend on the market. The Finnish market is not even a third of the Dutch market, so perhaps it’s just a business decision whether they support it or not. They do support iDEAL without needing to enable anything.