Should I whistleblow?

I found some of the websites people used to buy the 2024 papers to cheat off of. The thing is, we did our exams ages ago but should I report this website? And if so, who should I report it to?

Honestly, I just think this is a waste of money if anything, like if you're cooked you're cooked - don't just give away your/your parent's bank details to a couple of strangers for the benefit of an extra grade or 2

EDIT: got rid of the website link in case some people haven't done mocks yet and I don't condone cheating