Earlier quoted context omitted.
It appears that you are mixing things here. It's not about "hosting a website", it's about providing services. If you provide services, like selling a newspaper, in the UK, you need to respect their laws, or you will suffer the legal implications of not doing so. And regarding the accountability, it refers to the fact that imgur USED TO provide services in the UK: > We have been clear that exiting the UK does not all…
It’s you who are mixing things. Putting up a website outside the UK and “deciding to provide services in the UK” are two decidedly different things. UK legal imperialism is self centered and unrealistic and undermines speech the world over.
I’m not happy with extraterritorial assertions over internet services either, but you can’t wish them away with sophistry about “we’re not providing services to them!” if you’re happy to take their money and serve them a page in exchange. That’s the definition of a business providing a service to a customer.