This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
I have not seen this.
Then it must not exist!
Apparently it does not, in the context that you claim.
Prove it. Show me one of their ads for the event where you’re not seeing the sponsors listed.