I'd be curious to see what would happen if Mindgeek (owners of pornhub, etc) put a banner at the top of their websites for British visitors saying "your access

I'd be curious to see what would happen if Mindgeek (owners of pornhub, etc) put a banner at the top of their websites for British visitors saying "your access to pornography is under threat" or similar. I wonder what effect they would/could have on British voters, based on the sheer amount of traffic they get (and the fact that a considerable amount of people enjoy how easy it is to look at porn, whether they admit it or not).