How viable is crypto currency for bypassing traditional payment processors?

I see things like Payment processors blocking certain LEGAL purchases on sites like steam where payment processors try to exert their authority on what should be allowed to be sold and bought regardless of what the law says.

We all know that this is not about any altruistic reason, this is all about exerting control over who can sell certain products and who can make money, they do it because they can get away with it and because they want to restrict the ways ordinary people can make money without being reliant on big business.

How viable would crypto currency be for bypassing these payment processors and cutting them out of the picture? To me this seems like the sort of thing that Crypto currency should be used for, to decentralise the flow of money so that these companies are unable to gain a stranglehold