It does not matter what I identify as, though I doubt you will accept that as acceptable.
Payment processors are supposed to be just that: payment processors, not becoming a publisher as well. Not opposing this invasion of Steam means the payment processors will feel comfortable to intrude into other businesses, to decide what can or not be brought. That is censorship.
This quote from Martin Niemoller is very relevant: First they came for the socialists, and I did not speak out-because I was not a socialist. Then they came for the trade unionists, and I did not speak out-because I was not a trade unionist. Then they came for the Jews, and I did not speak out-because I was not a Jew. Then they came for me-and there was no one left to speak for me.
The payment processors want to control what is or is not brought, not fighting it will lead to catastrophe.