It has been considered several times and there is no way we can regulate age or access. It's not going to happen, but it has been discussed.
What makes you think it's about a power trip anyway? Thanks kind of a slap in the face. We devote a LOT of time to this site to try to keep it growing, and we don't get a thing out of it other than the enjoyment of watching it grow.
This site has grown so much since the start it's not even funny. Don't you think that we would certainly go for an idea such as that if we think it would benefit the forum?