Element 14, the web presence of one of the Raspberry Pi distributors, Farnell, operates a wonderful forum system. However, there is one significant problem with their system: under their terms of use, a person who is under 13 is prohibited from using the forum (and those between 13 and 18 from using it without their parent's explicit consent).
This understandable requirement, probably a result of US legislation (and perhaps legislation in other jurisdictions?), is at odds with the Raspberry Pi's stated focus on children (hence the "considered harmful" jab).
I'd encourage the Raspberry Pi community to use forum and wiki systems that don't exclude the device's target audience from participating! Perhaps Element 14 would consider a revision to their Terms of Use, or a dedicated forum with special rules that would enable children to participate. In the meantime, the Raspberry Pi Foundation's forums and the E-linux Wiki do not have age restrictions on participants.