Em, because electricity is a fundemental force that you supply to someone and he uses it, unlike hosting a website which is something hosted on a server and you have full control and access to see what you are hosting.

That is like saying why is it the chef’s fault that he put poison in a meal when he did it because someone paid him to do it, he might not have known about it but he is a expert in his field and shoult know to check and not put the fucking poison in.