No, not everyone is against blockchain. Actually banking system loves this technology because the way it can change their system for the better. It can really improved business wise that's why everyone is getting on-board with this technology.

Mastercard can really take advantage of blockchain by looking at how it can improved the processing of its transactions, from approval to actual charges to the card owner. So i'm not gonna be surprised but this moved at all, it all makes sense at operations and business point of view.