And they should, for their own protection; they will be taken down hard if they are found to be complicit in financing things like terrorism and child pornography.
When it comes to the recent events around Pornhub and Onlyfans, the payment processors erred on the side of caution, because those two customers of theirs couldn't for definite guarantee that nothing shady was going on on their websites.
> they will be taken down hard if they are found to be complicit
How can the provider of vital infrastructure be complicit in anything? Is the engineer who designed and built a bridge complicit when a criminal crosses it?
They should be considered neutral. Just like information carriers are considered neutral. Not liable for what goes on inside their networks. Searching for and punishing anyone violating any law is up to the authorities and they must do that without violating everyone else's privacy no matter how frustrating it must be for them.
When it comes to the recent events around Pornhub and Onlyfans, the payment processors erred on the side of caution, because those two customers of theirs couldn't for definite guarantee that nothing shady was going on on their websites.