I do love it when people lie and then try to get sassy when called out.
> Even if your forum falls in scope, you're only required to do a risk assessment, if at that stage you are likely to have a lot of underage users, then there might be an issue.
I also like it when people who accuse others of not reading prove themselves incapable of reading - as pointed out below, what I linked is required regardless of the assumed age of your userbase.