The last crossing the Line I did involved no beer (D&A rules), we weren't allowed to use week old galley slops (possibility of food poisoning) and before any of the treatments were administered each of the participants had to be clearly and loudly asked and answer in front of everyone present that they would agree to the ceremony (in case we get sued etc).
It took a fair bit of persuasion and coercion by the few Brits onboard to persuade the rest of the complement to play along, the whole thing being for the benefit of our first trip cadets. Indeed, as time went on we found out that the 3/E had never been done before because those onboard at the time weren't interested.
Certainly is changed days! As a 10 year old supernumery on the Post Challenger I had to go through the ceremony! Wouldn't have missed it for the world. Still have my certificate. I will need to dig out the photos and scan them some time.