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.
This link has a decent comparison of a lot of social media sites’ privacy policies.
For point one my parents don’t even bother to read error messages. They just close them then phone me and complain the computer is broken.
I also don’t use Twitter and haven’t for many years now. Even longer for Facebook.