This is not a direct link, but a wiki with a list of mirrors, several of which are offline.

https://wiki.w9cr.net/index.php/Goatse.cx_Mirrors

He’s in the kitchenware aisle, buying a pot to stir

The “we are Charlie Kirk” is just the disambiguation added by the first person to enter this as an answer. In case there are multiple distinct people that share a name, it asks you to enter a little context so other people who guess can verify whether it’s the exact same one. You can see this by continuing with someone it doesn’t know until it gives up and asks you to enter your answer.

So it’s just another player having a laugh, not any kind of statement from the authors.