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.
Someone who isn’t Visa or MasterCard, like Discover or American Express. I myself will be getting a Discover card if this doesn’t resolve soon, and have said as much to Visa.